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61012300158 = 2323389572231
BaseRepresentation
bin111000110100100111…
…011101000101111110
312211111001101222111200
4320310213131011332
51444423122101113
644010105200330
74256640665055
oct706447350576
9184431358450
1061012300158
1123969942167
12b9a8a900a6
1359a43b2b74
142d4b0c339c
1518c1563873
hexe349dd17e

61012300158 has 12 divisors (see below), whose sum is σ = 132193317048. Its totient is φ = 20337433380.

The previous prime is 61012300061. The next prime is 61012300199. The reversal of 61012300158 is 85100321016.

61012300158 is a `hidden beast` number, since 610 + 1 + 2 + 30 + 0 + 15 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1694786098 + ... + 1694786133.

It is an arithmetic number, because the mean of its divisors is an integer number (11016109754).

Almost surely, 261012300158 is an apocalyptic number.

61012300158 is an abundant number, since it is smaller than the sum of its proper divisors (71181016890).

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

61012300158 is a wasteful number, since it uses less digits than its factorization.

61012300158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389572239 (or 3389572236 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 61012300158 in words is "sixty-one billion, twelve million, three hundred thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 18 3389572231 6779144462 10168716693 20337433386 30506150079 61012300158