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72961075338 = 2386271409549
BaseRepresentation
bin100001111110011010…
…0011010100010001010
320222022210010122121120
41003330310122202022
52143411013402323
653303505020110
75162020623234
oct1037464324212
9228283118546
1072961075338
1128a40696878
1212182624636
136b59a50938
143761da9254
151d705665e3
hex10fcd1a88a

72961075338 has 16 divisors (see below), whose sum is σ = 145939168800. Its totient is φ = 24317522096.

The previous prime is 72961075333. The next prime is 72961075351. The reversal of 72961075338 is 83357016927.

It is not an unprimeable number, because it can be changed into a prime (72961075331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653013 + ... + 756536.

It is an arithmetic number, because the mean of its divisors is an integer number (9121198050).

Almost surely, 272961075338 is an apocalyptic number.

72961075338 is an abundant number, since it is smaller than the sum of its proper divisors (72978093462).

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

72961075338 is a wasteful number, since it uses less digits than its factorization.

72961075338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418181.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 72961075338 in words is "seventy-two billion, nine hundred sixty-one million, seventy-five thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 8627 17254 25881 51762 1409549 2819098 4228647 8457294 12160179223 24320358446 36480537669 72961075338