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105215608741156 = 223121654432
BaseRepresentation
bin10111111011000101101010…
…111110111101110100100100
3111210112111212200022112202121
4113323011222332331310210
5102242323031314204111
61011435214450515324
731106401604024404
oct2773055276756444
9453474780275677
10105215608741156
1130585764195111
12b9735a6595b44
134692a35211894
141bda669680804
15c26d75922871
hex5fb16afbdd24

105215608741156 has 27 divisors (see below), whose sum is σ = 190259655818043. Its totient is φ = 50910470699160.

The previous prime is 105215608741109. The next prime is 105215608741277. The reversal of 105215608741156 is 651147806512501.

The square root of 105215608741156 is 10257466.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1052156087411562 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 635880171 + ... + 636045613.

Almost surely, 2105215608741156 is an apocalyptic number.

105215608741156 is the 10257466-th square number.

It is an amenable number.

105215608741156 is a deficient number, since it is larger than the sum of its proper divisors (85044047076887).

105215608741156 is an frugal number, since it uses more digits than its factorization.

105215608741156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330952 (or 165476 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 105215608741156 in words is "one hundred five trillion, two hundred fifteen billion, six hundred eight million, seven hundred forty-one thousand, one hundred fifty-six".

Divisors: 1 2 4 31 62 124 961 1922 3844 165443 330886 661772 5128733 10257466 20514932 158990723 317981446 635962892 27371386249 54742772498 109485544996 848512973719 1697025947438 3394051894876 26303902185289 52607804370578 105215608741156