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10195153840 = 245187168113
BaseRepresentation
bin10010111111010110…
…11011001110110000
3222022111222110212101
421133223123032300
5131334424410330
64403353310144
7510434243404
oct113753331660
928274873771
1010195153840
114361997a83
121b86405354
13c66268a11
146ca043104
153ea0ab4ca
hex25fadb3b0

10195153840 has 40 divisors (see below), whose sum is σ = 23716749888. Its totient is φ = 4075822080.

The previous prime is 10195153807. The next prime is 10195153867. The reversal of 10195153840 is 4835159101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 10195153840.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115624 + ... + 183736.

Almost surely, 210195153840 is an apocalyptic number.

10195153840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10195153840 is an abundant number, since it is smaller than the sum of its proper divisors (13521596048).

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

10195153840 is a wasteful number, since it uses less digits than its factorization.

10195153840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69997 (or 69991 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 10195153840 in words is "ten billion, one hundred ninety-five million, one hundred fifty-three thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1871 3742 7484 9355 14968 18710 29936 37420 68113 74840 136226 149680 272452 340565 544904 681130 1089808 1362260 2724520 5449040 127439423 254878846 509757692 637197115 1019515384 1274394230 2039030768 2548788460 5097576920 10195153840