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72836130786 = 2331391592101
BaseRepresentation
bin100001111010101011…
…1110010011111100010
320222000002000210220120
41003311113302133202
52143132022141121
653243243021110
75155642616346
oct1036527623742
9228002023816
1072836130786
1128987108111
121214880a796
136b39bb5253
14374d563626
151d645d5bc6
hex10f55f27e2

72836130786 has 16 divisors (see below), whose sum is σ = 150371367168. Its totient is φ = 23495526000.

The previous prime is 72836130767. The next prime is 72836130881. The reversal of 72836130786 is 68703163827.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195795865 + ... + 195796236.

It is an arithmetic number, because the mean of its divisors is an integer number (9398210448).

Almost surely, 272836130786 is an apocalyptic number.

72836130786 is an abundant number, since it is smaller than the sum of its proper divisors (77535236382).

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

72836130786 is a wasteful number, since it uses less digits than its factorization.

72836130786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391592137.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 72836130786 in words is "seventy-two billion, eight hundred thirty-six million, one hundred thirty thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 31 62 93 186 391592101 783184202 1174776303 2349552606 12139355131 24278710262 36418065393 72836130786