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53121102332 = 22129110286813
BaseRepresentation
bin110001011110010000…
…111011000111111100
312002010002201121010112
4301132100323013330
51332243000233312
640223053325152
73560250630314
oct613620730774
9162102647115
1053121102332
112058a528471
12a3661967b8
135017575b3c
1427dd05c444
1515ad8aad22
hexc5e43b1fc

53121102332 has 12 divisors (see below), whose sum is σ = 93033945816. Its totient is φ = 26539974960.

The previous prime is 53121102299. The next prime is 53121102383. The reversal of 53121102332 is 23320112135.

It is a junction number, because it is equal to n+sod(n) for n = 53121102298 and 53121102307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5138243 + ... + 5148570.

It is an arithmetic number, because the mean of its divisors is an integer number (7752828818).

Almost surely, 253121102332 is an apocalyptic number.

It is an amenable number.

53121102332 is a deficient number, since it is larger than the sum of its proper divisors (39912843484).

53121102332 is a wasteful number, since it uses less digits than its factorization.

53121102332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288108 (or 10288106 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 53121102332 its reverse (23320112135), we get a palindrome (76441214467).

The spelling of 53121102332 in words is "fifty-three billion, one hundred twenty-one million, one hundred two thousand, three hundred thirty-two".

Divisors: 1 2 4 1291 2582 5164 10286813 20573626 41147252 13280275583 26560551166 53121102332