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920929587625 = 5364111493661
BaseRepresentation
bin11010110011010111010…
…11100101000110101001
310021001002011111021222101
431121223223211012221
5110042030433301000
61543022541053401
7123351331223305
oct15315353450651
93231064437871
10920929587625
1132562281a853
1212a595557261
1368ac6919798
1432804d2ad05
1518e4ebbae6a
hexd66bae51a9

920929587625 has 16 divisors (see below), whose sum is σ = 1151113236624. Its totient is φ = 735594240000.

The previous prime is 920929587569. The next prime is 920929587649. The reversal of 920929587625 is 526785929029.

It can be written as a sum of positive squares in 8 ways, for example, as 2546615296 + 918382972329 = 50464^2 + 958323^2 .

It is not a de Polignac number, because 920929587625 - 221 = 920927490473 is a prime.

It is a super-2 number, since 2×9209295876252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5666706 + ... + 5826955.

It is an arithmetic number, because the mean of its divisors is an integer number (71944577289).

Almost surely, 2920929587625 is an apocalyptic number.

It is an amenable number.

920929587625 is a deficient number, since it is larger than the sum of its proper divisors (230183648999).

920929587625 is a wasteful number, since it uses less digits than its factorization.

920929587625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494317 (or 11494307 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 920929587625 in words is "nine hundred twenty billion, nine hundred twenty-nine million, five hundred eighty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 125 641 3205 16025 80125 11493661 57468305 287341525 1436707625 7367436701 36837183505 184185917525 920929587625