Search a number
-
+
25072884010685 = 5729191607213067
BaseRepresentation
bin1011011001101101111000…
…10110000100111010111101
310021202221111101200222212002
411230312330112010322331
511241243231301320220
6125154153543552045
75165312303451110
oct554667426047275
9107687441628762
1025072884010685
117a97394414575
12298b36215b625
1310cb494155634
1462976966c577
152d730ae99c75
hex16cdbc584ebd

25072884010685 has 64 divisors (see below), whose sum is σ = 35816696709120. Its totient is φ = 16485785729280.

The previous prime is 25072884010679. The next prime is 25072884010721. The reversal of 25072884010685 is 58601048827052.

It is not a de Polignac number, because 25072884010685 - 28 = 25072884010429 is a prime.

It is a super-2 number, since 2×250728840106852 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25072884010685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117569522 + ... + 117782588.

It is an arithmetic number, because the mean of its divisors is an integer number (559635886080).

Almost surely, 225072884010685 is an apocalyptic number.

It is an amenable number.

25072884010685 is a deficient number, since it is larger than the sum of its proper divisors (10743812698435).

25072884010685 is a wasteful number, since it uses less digits than its factorization.

25072884010685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213906.

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 25072884010685 in words is "twenty-five trillion, seventy-two billion, eight hundred eighty-four million, ten thousand, six hundred eighty-five".

Divisors: 1 5 7 29 35 145 191 203 607 955 1015 1337 3035 4249 5539 6685 17603 21245 27695 38773 88015 115937 123221 193865 213067 579685 616105 811559 1065335 1491469 3362173 4057795 6178943 7457345 16810865 23535211 30894715 40695797 43252601 117676055 129331669 203478985 216263005 284870579 646658345 905321683 1180178113 1424352895 3750618401 4526608415 5900890565 8261246791 18753092005 24702348779 26254328807 41306233955 123511743895 131271644035 172916441453 716368114591 864582207265 3581840572955 5014576802137 25072884010685