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61682579250830 = 2522926935624127
BaseRepresentation
bin11100000011001100110000…
…01110011001111010001110
322002101210112000002120220222
432001212120032121322032
531041101410242011310
6335104330303111342
715664263546536006
oct1601463016317216
9262353460076828
1061682579250830
1118721486a1aa2a
126b025b6ba2552
132855847095b55
14113364a55d006
1571e78acd8055
hex381998399e8e

61682579250830 has 16 divisors (see below), whose sum is σ = 111513483889920. Its totient is φ = 24565289202912.

The previous prime is 61682579250769. The next prime is 61682579250841. The reversal of 61682579250830 is 3805297528616.

It is a congruent number.

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, 13467809774 + ... + 13467814353.

It is an arithmetic number, because the mean of its divisors is an integer number (6969592743120).

Almost surely, 261682579250830 is an apocalyptic number.

61682579250830 is a deficient number, since it is larger than the sum of its proper divisors (49830904639090).

61682579250830 is a wasteful number, since it uses less digits than its factorization.

61682579250830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26935624363.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 61682579250830 in words is "sixty-one trillion, six hundred eighty-two billion, five hundred seventy-nine million, two hundred fifty thousand, eight hundred thirty".

Divisors: 1 2 5 10 229 458 1145 2290 26935624127 53871248254 134678120635 269356241270 6168257925083 12336515850166 30841289625415 61682579250830