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64152248135900 = 22524774318370679
BaseRepresentation
bin11101001011000100110111…
…11101100011000011011100
322102010220011110210212110112
432211202123331203003130
531402032301010322100
6344235045210225152
716340563340644061
oct1645423375430334
9272126143725415
1064152248135900
11194938a7699681
1272411761251b8
1329a46b990c7b2
1411badb1c34c68
15763b31bb6b35
hex3a589bf630dc

64152248135900 has 72 divisors (see below), whose sum is σ = 142363658142720. Its totient is φ = 25081119259840.

The previous prime is 64152248135891. The next prime is 64152248135909. The reversal of 64152248135900 is 953184225146.

It is an interprime number because it is at equal distance from previous prime (64152248135891) and next prime (64152248135909).

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64152248135909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5693240 + ... + 12677439.

It is an arithmetic number, because the mean of its divisors is an integer number (1977273029760).

Almost surely, 264152248135900 is an apocalyptic number.

It is an amenable number.

64152248135900 is an abundant number, since it is smaller than the sum of its proper divisors (78211410006820).

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

64152248135900 is a wasteful number, since it uses less digits than its factorization.

64152248135900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18371483 (or 18371476 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 64152248135900 in words is "sixty-four trillion, one hundred fifty-two billion, two hundred forty-eight million, one hundred thirty-five thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 470 743 940 1175 1486 2350 2972 3715 4700 7430 14860 18575 34921 37150 69842 74300 139684 174605 349210 698420 873025 1746050 3492100 18370679 36741358 73482716 91853395 183706790 367413580 459266975 863421913 918533950 1726843826 1837067900 3453687652 4317109565 8634219130 13649414497 17268438260 21585547825 27298828994 43171095650 54597657988 68247072485 86342191300 136494144970 272988289940 341235362425 641522481359 682470724850 1283044962718 1364941449700 2566089925436 3207612406795 6415224813590 12830449627180 16038062033975 32076124067950 64152248135900