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10497978864 = 2433107227111
BaseRepresentation
bin10011100011011101…
…00111000111110000
31000002121210120201000
421301232213013300
5132444440310424
64453412042000
7521102230242
oct116156470760
930077716630
1010497978864
1144a792099a
12204b903300
13cb3c15619
14718350092
154169773c9
hex271ba71f0

10497978864 has 80 divisors (see below), whose sum is σ = 30414839040. Its totient is φ = 3466607040.

The previous prime is 10497978853. The next prime is 10497978893. The reversal of 10497978864 is 46887979401.

10497978864 is a `hidden beast` number, since 1 + 0 + 497 + 9 + 7 + 88 + 64 = 666.

It is a super-2 number, since 2×104979788642 (a number of 21 digits) contains 22 as substring.

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, 67332 + ... + 159779.

It is an arithmetic number, because the mean of its divisors is an integer number (380185488).

Almost surely, 210497978864 is an apocalyptic number.

It is an amenable number.

10497978864 is an abundant number, since it is smaller than the sum of its proper divisors (19916860176).

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

10497978864 is a wasteful number, since it uses less digits than its factorization.

10497978864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227235 (or 227223 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 10497978864 in words is "ten billion, four hundred ninety-seven million, nine hundred seventy-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 107 108 144 214 216 321 428 432 642 856 963 1284 1712 1926 2568 2889 3852 5136 5778 7704 11556 15408 23112 46224 227111 454222 681333 908444 1362666 1816888 2043999 2725332 3633776 4087998 5450664 6131997 8175996 10901328 12263994 16351992 24300877 24527988 32703984 48601754 49055976 72902631 97203508 98111952 145805262 194407016 218707893 291610524 388814032 437415786 583221048 656123679 874831572 1166442096 1312247358 1749663144 2624494716 3499326288 5248989432 10497978864