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72033579472 = 2461311923663
BaseRepresentation
bin100001100010110001…
…0010011000111010000
320212221010212222110211
41003011202103013100
52140011044020342
653031453333504
75130026215531
oct1030542230720
9225833788424
1072033579472
1128605094468
1211b63a97294
136a3c84b00a
1436b4b32688
151d18e07c17
hex10c58931d0

72033579472 has 40 divisors (see below), whose sum is σ = 141904488960. Its totient is φ = 35413495680.

The previous prime is 72033579469. The next prime is 72033579479. The reversal of 72033579472 is 27497533027.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72033579479) 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, 3032313 + ... + 3055975.

It is an arithmetic number, because the mean of its divisors is an integer number (3547612224).

Almost surely, 272033579472 is an apocalyptic number.

It is an amenable number.

72033579472 is a deficient number, since it is larger than the sum of its proper divisors (69870909488).

72033579472 is a wasteful number, since it uses less digits than its factorization.

72033579472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26851 (or 26845 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 72033579472 in words is "seventy-two billion, thirty-three million, five hundred seventy-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 61 122 244 488 976 3119 6238 12476 23663 24952 47326 49904 94652 189304 190259 378608 380518 761036 1443443 1522072 2886886 3044144 5773772 11547544 23095088 73804897 147609794 295219588 590439176 1180878352 4502098717 9004197434 18008394868 36016789736 72033579472