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72949512235112 = 23171912808342787
BaseRepresentation
bin10000100101100011100001…
…110000110110100001101000
3100120021220102221020211222122
4100211203201300312201220
534030201100113010422
6415052313203010412
721236266626666242
oct2045434160664150
9316256387224878
1072949512235112
1121275794959877
128222130069a08
133192156706ac6
141402abd33d092
158678b6b46d42
hex4258e1c36868

72949512235112 has 32 divisors (see below), whose sum is σ = 145584490129920. Its totient is φ = 34149448277760.

The previous prime is 72949512235111. The next prime is 72949512235189. The reversal of 72949512235112 is 21153221594927.

It is not an unprimeable number, because it can be changed into a prime (72949512235111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404145418 + ... + 1404197369.

It is an arithmetic number, because the mean of its divisors is an integer number (4549515316560).

Almost surely, 272949512235112 is an apocalyptic number.

It is an amenable number.

72949512235112 is a deficient number, since it is larger than the sum of its proper divisors (72634977894808).

72949512235112 is a wasteful number, since it uses less digits than its factorization.

72949512235112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808343001 (or 2808342997 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The spelling of 72949512235112 in words is "seventy-two trillion, nine hundred forty-nine billion, five hundred twelve million, two hundred thirty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 191 382 764 1528 3247 6494 12988 25976 2808342787 5616685574 11233371148 22466742296 47741827379 95483654758 190967309516 381934619032 536393472317 1072786944634 2145573889268 4291147778536 9118689029389 18237378058778 36474756117556 72949512235112