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25072471368 = 2332749746967
BaseRepresentation
bin10111010110011011…
…111000110101001000
32101201100021111211200
4113112123320311020
5402322023040433
615303530024200
71545214330110
oct272633706510
971640244750
1025072471368
11a6a683591a
124a38878060
13249755bb99
1412dbc50040
159bb23a613
hex5d66f8d48

25072471368 has 48 divisors (see below), whose sum is σ = 77605270080. Its totient is φ = 7163563104.

The previous prime is 25072471367. The next prime is 25072471399. The reversal of 25072471368 is 86317427052.

25072471368 is a `hidden beast` number, since 2 + 50 + 72 + 471 + 3 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (25072471367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24872980 + ... + 24873987.

It is an arithmetic number, because the mean of its divisors is an integer number (1616776460).

Almost surely, 225072471368 is an apocalyptic number.

25072471368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25072471368 is an abundant number, since it is smaller than the sum of its proper divisors (52532798712).

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

25072471368 is a wasteful number, since it uses less digits than its factorization.

25072471368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49746986 (or 49746979 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 25072471368 in words is "twenty-five billion, seventy-two million, four hundred seventy-one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 49746967 99493934 149240901 198987868 298481802 348228769 397975736 447722703 596963604 696457538 895445406 1044686307 1193927208 1392915076 1790890812 2089372614 2785830152 3134058921 3581781624 4178745228 6268117842 8357490456 12536235684 25072471368