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153015135431 = 5397136721773
BaseRepresentation
bin1000111010000001101…
…0011010110011000111
3112121221212222021010012
42032200122122303013
510001333333313211
6154143313220435
714024600122364
oct2164032326307
9477855867105
10153015135431
1159991067014
12257a456171b
1311577132b72
147597db746b
153ea8662d8b
hex23a069acc7

153015135431 has 16 divisors (see below), whose sum is σ = 157631914944. Its totient is φ = 148464835584.

The previous prime is 153015135419. The next prime is 153015135433. The reversal of 153015135431 is 134531510351.

It is a cyclic number.

It is not a de Polignac number, because 153015135431 - 26 = 153015135367 is a prime.

It is a super-2 number, since 2×1530151354312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153015135433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7016861 + ... + 7038633.

It is an arithmetic number, because the mean of its divisors is an integer number (9851994684).

Almost surely, 2153015135431 is an apocalyptic number.

153015135431 is a deficient number, since it is larger than the sum of its proper divisors (4616779513).

153015135431 is a wasteful number, since it uses less digits than its factorization.

153015135431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23290.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 153015135431 its reverse (134531510351), we get a palindrome (287546645782).

The spelling of 153015135431 in words is "one hundred fifty-three billion, fifteen million, one hundred thirty-five thousand, four hundred thirty-one".

Divisors: 1 53 97 1367 5141 21773 72451 132599 1153969 2111981 7027747 29763691 111934993 1577475623 2887078027 153015135431