Search a number
-
+
9977253145 = 523128967307
BaseRepresentation
bin10010100101011000…
…01100110100011001
3221202022221222022021
421102230030310121
5130413134100040
64330011054441
7502150152406
oct112254146431
927668858267
109977253145
11425a998a62
121b25441421
13c300849b2
146a91212ad
153d5db824a
hex252b0cd19

9977253145 has 16 divisors (see below), whose sum is σ = 12503134080. Its totient is φ = 7628731264.

The previous prime is 9977253137. The next prime is 9977253161. The reversal of 9977253145 is 5413527799.

It is not a de Polignac number, because 9977253145 - 23 = 9977253137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9977253092 and 9977253101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114582 + ... + 181888.

It is an arithmetic number, because the mean of its divisors is an integer number (781445880).

Almost surely, 29977253145 is an apocalyptic number.

It is an amenable number.

9977253145 is a deficient number, since it is larger than the sum of its proper divisors (2525880935).

9977253145 is a wasteful number, since it uses less digits than its factorization.

9977253145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68624.

The product of its digits is 2381400, while the sum is 52.

The square root of 9977253145 is about 99886.2009739083. The cubic root of 9977253145 is about 2152.7998960739.

The spelling of 9977253145 in words is "nine billion, nine hundred seventy-seven million, two hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 5 23 115 1289 6445 29647 67307 148235 336535 1548061 7740305 86758723 433793615 1995450629 9977253145