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72705576141406 = 21313123989315159
BaseRepresentation
bin10000100010000000010110…
…000010100000001001011110
3100112102120210121110100111101
4100202000112002200021132
534012202004443011111
6414344251445543314
721212542645261465
oct2042002602401136
9315376717410441
1072705576141406
112119129733512a
1281a29b2414b3a
13317514ca2a960
1413d4d7c0139dc
1586138b38abc1
hex4220160a025e

72705576141406 has 32 divisors (see below), whose sum is σ = 118839179289600. Its totient is φ = 33160931862240.

The previous prime is 72705576141391. The next prime is 72705576141413. The reversal of 72705576141406 is 60414167550727.

It is a super-2 number, since 2×727055761414062 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43843546 + ... + 45471613.

It is an arithmetic number, because the mean of its divisors is an integer number (3713724352800).

Almost surely, 272705576141406 is an apocalyptic number.

72705576141406 is a deficient number, since it is larger than the sum of its proper divisors (46133603148194).

72705576141406 is a wasteful number, since it uses less digits than its factorization.

72705576141406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89315544.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 72705576141406 in words is "seventy-two trillion, seven hundred five billion, five hundred seventy-six million, one hundred forty-one thousand, four hundred six".

Divisors: 1 2 13 26 131 239 262 478 1703 3107 3406 6214 31309 62618 407017 814034 89315159 178630318 1161097067 2322194134 11700285829 21346323001 23400571658 42692646002 152103715777 277502199013 304207431554 555004398026 2796368313131 5592736626262 36352788070703 72705576141406