Search a number
-
+
51101100001068 = 223132831391156927
BaseRepresentation
bin10111001111001111001101…
…11010011100011100101100
320200221012212112001212122220
423213213212322130130230
523144220023100013233
6300403304331435340
713522634616124635
oct1347474672343454
9220835775055586
1051101100001068
1115311944825177
12589389abb5b50
132268a7537c550
14c89440c1088c
155d93cbe96eb3
hex2e79e6e9c72c

51101100001068 has 48 divisors (see below), whose sum is σ = 128408456816640. Its totient is φ = 15723346261824.

The previous prime is 51101100001051. The next prime is 51101100001163. The reversal of 51101100001068 is 86010000110115.

It is a happy number.

It is a super-2 number, since 2×511011000010682 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43591221 + ... + 44748147.

It is an arithmetic number, because the mean of its divisors is an integer number (2675176183680).

Almost surely, 251101100001068 is an apocalyptic number.

It is an amenable number.

51101100001068 is an abundant number, since it is smaller than the sum of its proper divisors (77307356815572).

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

51101100001068 is a wasteful number, since it uses less digits than its factorization.

51101100001068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440086 (or 1440084 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 24.

The spelling of 51101100001068 in words is "fifty-one trillion, one hundred one billion, one hundred million, one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 283139 566278 849417 1132556 1156927 1698834 2313854 3397668 3470781 3680807 4627708 6941562 7361614 11042421 13883124 14723228 15040051 22084842 30080102 44169684 45120153 60160204 90240306 180480612 327571153853 655142307706 982713461559 1310284615412 1965426923118 3930853846236 4258425000089 8516850000178 12775275000267 17033700000356 25550550000534 51101100001068