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25052464632 = 2331380296361
BaseRepresentation
bin10111010101001111…
…100100010111111000
32101122221122001202110
4113111033210113320
5402301412332012
615301533132320
71544552302326
oct272517442770
971587561673
1025052464632
11a696510528
124a3202a0a0
132493375690
1412d9322d16
159b95d773c
hex5d53e45f8

25052464632 has 32 divisors (see below), whose sum is σ = 67448944080. Its totient is φ = 7708450560.

The previous prime is 25052464621. The next prime is 25052464711. The reversal of 25052464632 is 23646425052.

It is a super-3 number, since 3×250524646323 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 40147869 + ... + 40148492.

Almost surely, 225052464632 is an apocalyptic number.

It is an amenable number.

25052464632 is an abundant number, since it is smaller than the sum of its proper divisors (42396479448).

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

25052464632 is a wasteful number, since it uses less digits than its factorization.

25052464632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80296383 (or 80296379 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 25052464632 its reverse (23646425052), we get a palindrome (48698889684).

The spelling of 25052464632 in words is "twenty-five billion, fifty-two million, four hundred sixty-four thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 80296361 160592722 240889083 321185444 481778166 642370888 963556332 1043852693 1927112664 2087705386 3131558079 4175410772 6263116158 8350821544 12526232316 25052464632