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10640556430 = 257223967891
BaseRepresentation
bin10011110100011101…
…00000000110001110
31000110120002021100121
421322032200012032
5133242440301210
64515504015154
7524453144260
oct117216400616
930416067317
1010640556430
114570353599
12208b6014ba
131007615c4a
1472d265b30
1542423c6da
hex27a3a018e

10640556430 has 32 divisors (see below), whose sum is σ = 21899243520. Its totient is φ = 3646507680.

The previous prime is 10640556427. The next prime is 10640556439. The reversal of 10640556430 is 3465504601.

10640556430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106405564302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640556439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122785 + ... + 190675.

It is an arithmetic number, because the mean of its divisors is an integer number (684351360).

Almost surely, 210640556430 is an apocalyptic number.

10640556430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10640556430 is an abundant number, since it is smaller than the sum of its proper divisors (11258687090).

10640556430 is a wasteful number, since it uses less digits than its factorization.

10640556430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70144.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 10640556430 in words is "ten billion, six hundred forty million, five hundred fifty-six thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2239 4478 11195 15673 22390 31346 67891 78365 135782 156730 339455 475237 678910 950474 2376185 4752370 152007949 304015898 760039745 1064055643 1520079490 2128111286 5320278215 10640556430