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10312122044 = 227477835959
BaseRepresentation
bin10011001101010011…
…00111111010111100
3222121200002002002002
421212221213322330
5132104400401134
64423132321432
7513354406520
oct114651477274
928550062062
1010312122044
114411a18a14
121bb9613278
13c84570983
146db7add80
154054b387e
hex266a67ebc

10312122044 has 24 divisors (see below), whose sum is σ = 21063060480. Its totient is φ = 4325448816.

The previous prime is 10312122043. The next prime is 10312122053. The reversal of 10312122044 is 44022121301.

It is a super-2 number, since 2×103121220442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312122043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3916664 + ... + 3919295.

It is an arithmetic number, because the mean of its divisors is an integer number (877627520).

Almost surely, 210312122044 is an apocalyptic number.

10312122044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10312122044 is an abundant number, since it is smaller than the sum of its proper divisors (10750938436).

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

10312122044 is a wasteful number, since it uses less digits than its factorization.

10312122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836017 (or 7836015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10312122044 its reverse (44022121301), we get a palindrome (54334243345).

The spelling of 10312122044 in words is "ten billion, three hundred twelve million, one hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 7835959 15671918 31343836 54851713 109703426 219406852 368290073 736580146 1473160292 2578030511 5156061022 10312122044