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12928895952 = 2437192025203
BaseRepresentation
bin11000000101001111…
…10100101111010000
31020101000222222001020
430002213310233100
5202434244132302
65534531035440
7635250542130
oct140247645720
936330888036
1012928895952
11553502a985
122609a3bb80
1312b07377bb
148a913aac0
1550a0a8ebc
hex3029f4bd0

12928895952 has 80 divisors (see below), whose sum is σ = 40180047360. Its totient is φ = 3499549056.

The previous prime is 12928895927. The next prime is 12928895963. The reversal of 12928895952 is 25959882921.

It is a congruent 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, 1006218 + ... + 1018985.

It is an arithmetic number, because the mean of its divisors is an integer number (502250592).

Almost surely, 212928895952 is an apocalyptic number.

12928895952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12928895952 is an abundant number, since it is smaller than the sum of its proper divisors (27251151408).

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

12928895952 is a wasteful number, since it uses less digits than its factorization.

12928895952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025240 (or 2025234 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 60.

The spelling of 12928895952 in words is "twelve billion, nine hundred twenty-eight million, eight hundred ninety-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 2025203 4050406 6075609 8100812 12151218 14176421 16201624 24302436 28352842 32403248 38478857 42529263 48604872 56705684 76957714 85058526 97209744 113411368 115436571 153915428 170117052 226822736 230873142 269351999 307830856 340234104 461746284 538703998 615661712 680468208 808055997 923492568 1077407996 1616111994 1846985136 2154815992 3232223988 4309631984 6464447976 12928895952