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138854608272160 = 2551178894663791
BaseRepresentation
bin11111100100100110011011…
…100110011111101100100000
3200012122101000101122002020021
4133210212123212133230200
5121144443214204202120
61211152532035123224
741150625431163424
oct3744463346375440
9605571011562207
10138854608272160
11402749aa48a2a0
12136a6b53443514
135c62c1981ac91
142640855544b84
15110bdd8a1eaaa
hex7e499b99fb20

138854608272160 has 48 divisors (see below), whose sum is σ = 357866194960512. Its totient is φ = 50492584825600.

The previous prime is 138854608272143. The next prime is 138854608272241. The reversal of 138854608272160 is 61272806458831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39447330136 + ... + 39447333655.

It is an arithmetic number, because the mean of its divisors is an integer number (7455545728344).

Almost surely, 2138854608272160 is an apocalyptic number.

138854608272160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138854608272160 is an abundant number, since it is smaller than the sum of its proper divisors (219011586688352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138854608272160 is a wasteful number, since it uses less digits than its factorization.

138854608272160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78894663817 (or 78894663809 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 138854608272160 in words is "one hundred thirty-eight trillion, eight hundred fifty-four billion, six hundred eight million, two hundred seventy-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 78894663791 157789327582 315578655164 394473318955 631157310328 788946637910 867841301701 1262314620656 1577893275820 1735682603402 2524629241312 3155786551640 3471365206804 4339206508505 6311573103280 6942730413608 8678413017010 12623146206560 13885460827216 17356826034020 27770921654432 34713652068040 69427304136080 138854608272160