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105977931412 = 2229913602857
BaseRepresentation
bin110001010110011000…
…1101110011010010100
3101010112210011201111211
41202230301232122110
53214020322301122
6120404030511204
710441142360653
oct1425461563224
9333483151454
10105977931412
1140a43863491
1218657965504
139cbc14c672
1451b4d6719a
152b53e63877
hex18acc6e694

105977931412 has 12 divisors (see below), whose sum is σ = 191856600180. Its totient is φ = 51161759936.

The previous prime is 105977931403. The next prime is 105977931431. The reversal of 105977931412 is 214139779501.

It can be written as a sum of positive squares in 2 ways, for example, as 57156377476 + 48821553936 = 239074^2 + 220956^2 .

It is a super-2 number, since 2×1059779314122 (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 456801313 + ... + 456801544.

It is an arithmetic number, because the mean of its divisors is an integer number (15988050015).

Almost surely, 2105977931412 is an apocalyptic number.

It is an amenable number.

105977931412 is a deficient number, since it is larger than the sum of its proper divisors (85878668768).

105977931412 is a wasteful number, since it uses less digits than its factorization.

105977931412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913602890 (or 913602888 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 49.

The spelling of 105977931412 in words is "one hundred five billion, nine hundred seventy-seven million, nine hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 29 58 116 913602857 1827205714 3654411428 26494482853 52988965706 105977931412