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25060055028 = 22317898271669
BaseRepresentation
bin10111010101101100…
…100001011111110100
32101200110220200211020
4113111230201133310
5402310333230103
615302403541140
71545003644631
oct272554413764
971613820736
1025060055028
11a69a825288
124a3468a7b0
132494b02538
1412da33b188
159ba0d6753
hex5d5b217f4

25060055028 has 96 divisors (see below), whose sum is σ = 62721993600. Its totient is φ = 7759589376.

The previous prime is 25060055017. The next prime is 25060055081. The reversal of 25060055028 is 82055006052.

It is a self number, because there is not a number n which added to its sum of digits gives 25060055028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15014178 + ... + 15015846.

It is an arithmetic number, because the mean of its divisors is an integer number (653354100).

Almost surely, 225060055028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25060055028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31360996800).

25060055028 is an abundant number, since it is smaller than the sum of its proper divisors (37661938572).

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

25060055028 is a wasteful number, since it uses less digits than its factorization.

25060055028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 25060055028 in words is "twenty-five billion, sixty million, fifty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 89 102 178 204 267 356 534 827 1068 1513 1654 1669 2481 3026 3308 3338 4539 4962 5007 6052 6676 9078 9924 10014 14059 18156 20028 28118 28373 42177 56236 56746 73603 84354 85119 113492 147206 148541 168708 170238 220809 294412 297082 340476 441618 445623 594164 883236 891246 1251251 1380263 1782492 2502502 2525197 2760526 3753753 4140789 5005004 5050394 5521052 7507506 7575591 8281578 10100788 15015012 15151182 16563156 23464471 30302364 46928942 70393413 93857884 122843407 140786826 245686814 281573652 368530221 491373628 737060442 1474120884 2088337919 4176675838 6265013757 8353351676 12530027514 25060055028