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72255153858 = 2312042525643
BaseRepresentation
bin100001101001010111…
…1100010011011000010
320220111120211010101120
41003102233202123002
52140434304410413
653105450413110
75135356450146
oct1032257423302
9226446733346
1072255153858
1128709172598
1212006131196
136a7671a214
1436d632d226
151d2d5c4723
hex10d2be26c2

72255153858 has 8 divisors (see below), whose sum is σ = 144510307728. Its totient is φ = 24085051284.

The previous prime is 72255153851. The next prime is 72255153869. The reversal of 72255153858 is 85835155227.

It is a sphenic number, since it is the product of 3 distinct primes.

72255153858 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72255153858.

It is not an unprimeable number, because it can be changed into a prime (72255153851) 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 3 ways as a sum of consecutive naturals, for example, 6021262816 + ... + 6021262827.

It is an arithmetic number, because the mean of its divisors is an integer number (18063788466).

Almost surely, 272255153858 is an apocalyptic number.

72255153858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72255153858 is a wasteful number, since it uses less digits than its factorization.

72255153858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12042525648.

The product of its digits is 3360000, while the sum is 51.

The spelling of 72255153858 in words is "seventy-two billion, two hundred fifty-five million, one hundred fifty-three thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 12042525643 24085051286 36127576929 72255153858