Search a number
-
+
25964035990 = 25192311352579
BaseRepresentation
bin11000001011100100…
…111011111110010110
32111000110220200120121
4120023210323332112
5411133243122430
615532215222154
71606261443634
oct301344737626
974013820517
1025964035990
1110014026592
12504737795a
1325aa190c09
141384412354
15a1e64ca7a
hex60b93bf96

25964035990 has 64 divisors (see below), whose sum is σ = 51789196800. Its totient is φ = 9327757824.

The previous prime is 25964035969. The next prime is 25964035997. The reversal of 25964035990 is 9953046952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25964035997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467521 + ... + 520099.

It is an arithmetic number, because the mean of its divisors is an integer number (809206200).

Almost surely, 225964035990 is an apocalyptic number.

25964035990 is a deficient number, since it is larger than the sum of its proper divisors (25825160810).

25964035990 is a wasteful number, since it uses less digits than its factorization.

25964035990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52741.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 25964035990 in words is "twenty-five billion, nine hundred sixty-four million, thirty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 23 38 46 95 113 115 190 226 230 437 565 874 1130 2147 2185 2599 4294 4370 5198 10735 12995 21470 25990 49381 52579 98762 105158 246905 262895 493810 525790 999001 1209317 1998002 2418634 4995005 5941427 6046585 9990010 11882854 12093170 22977023 29707135 45954046 59414270 112887113 114885115 136652821 225774226 229770230 273305642 564435565 683264105 1128871130 1366528210 2596403599 5192807198 12982017995 25964035990