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72143650008 = 23322813565819
BaseRepresentation
bin100001100110000011…
…0001011110011011000
320220012211000010212100
41003030012023303120
52140222233300013
653050424443400
75132533623063
oct1031406136330
9226184003770
1072143650008
1128661234051
1211b94919560
136a595a9501
1436c55c58da
151d238eb473
hex10cc18bcd8

72143650008 has 48 divisors (see below), whose sum is σ = 196084441800. Its totient is φ = 23962296960.

The previous prime is 72143649997. The next prime is 72143650013. The reversal of 72143650008 is 80005634127.

72143650008 is a `hidden beast` number, since 7 + 2 + 143 + 6 + 500 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762678 + ... + 1803141.

Almost surely, 272143650008 is an apocalyptic number.

It is an amenable number.

72143650008 is an abundant number, since it is smaller than the sum of its proper divisors (123940791792).

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

72143650008 is a wasteful number, since it uses less digits than its factorization.

72143650008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566112 (or 3566105 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 72143650008 in words is "seventy-two billion, one hundred forty-three million, six hundred fifty thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 281 562 843 1124 1686 2248 2529 3372 5058 6744 10116 20232 3565819 7131638 10697457 14263276 21394914 28526552 32092371 42789828 64184742 85579656 128369484 256738968 1001995139 2003990278 3005985417 4007980556 6011970834 8015961112 9017956251 12023941668 18035912502 24047883336 36071825004 72143650008