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72100493416 = 2377317637107
BaseRepresentation
bin100001100100110000…
…1100011100001101000
320220002210210120011001
41003021201203201220
52140130211242131
653042243444344
75131501040110
oct1031141434150
9226083716131
1072100493416
1128639937946
1211b823866b4
136a50678c73
1436bd990040
151d1ec24261
hex10c9863868

72100493416 has 32 divisors (see below), whose sum is σ = 156617519040. Its totient is φ = 30476919168.

The previous prime is 72100493407. The next prime is 72100493417. The reversal of 72100493416 is 61439400127.

It is not an unprimeable number, because it can be changed into a prime (72100493417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8814466 + ... + 8822641.

It is an arithmetic number, because the mean of its divisors is an integer number (4894297470).

Almost surely, 272100493416 is an apocalyptic number.

It is an amenable number.

72100493416 is an abundant number, since it is smaller than the sum of its proper divisors (84517025624).

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

72100493416 is a wasteful number, since it uses less digits than its factorization.

72100493416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17637193 (or 17637189 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

It can be divided in two parts, 72100 and 493416, that added together give a triangular number (565516 = T1063).

The spelling of 72100493416 in words is "seventy-two billion, one hundred million, four hundred ninety-three thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 73 146 292 511 584 1022 2044 4088 17637107 35274214 70548428 123459749 141096856 246919498 493838996 987677992 1287508811 2575017622 5150035244 9012561677 10300070488 18025123354 36050246708 72100493416