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72104050708 = 2218026012677
BaseRepresentation
bin100001100100110111…
…1001000000000010100
320220010001111021211121
41003021233020000110
52140132114110313
653042452013324
75131543214164
oct1031157100024
9226101437747
1072104050708
1128640947558
1211b83601244
136a51323181
1436c02385a4
151d201c828d
hex10c9bc8014

72104050708 has 6 divisors (see below), whose sum is σ = 126182088746. Its totient is φ = 36052025352.

The previous prime is 72104050691. The next prime is 72104050723. The reversal of 72104050708 is 80705040127.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54425157264 + 17678893444 = 233292^2 + 132962^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013006335 + ... + 9013006342.

Almost surely, 272104050708 is an apocalyptic number.

It is an amenable number.

72104050708 is a deficient number, since it is larger than the sum of its proper divisors (54078038038).

72104050708 is a wasteful number, since it uses less digits than its factorization.

72104050708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026012681 (or 18026012679 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 72104050708 in words is "seventy-two billion, one hundred four million, fifty thousand, seven hundred eight".

Divisors: 1 2 4 18026012677 36052025354 72104050708