Search a number
-
+
10102100101220 = 2251135827767111
BaseRepresentation
bin1001001100000001010000…
…0101101000100001100100
31022202202021201120210100202
42103000110011220201210
52311003100111214340
633252501332330032
72061565313031011
oct223002405504144
938682251523322
1010102100101220
113245305167266
121171a30a73918
13583815a8cbba
1426cd31064708
15127ba3714c15
hex93014168864

10102100101220 has 48 divisors (see below), whose sum is σ = 21405849187968. Its totient is φ = 4004387842560.

The previous prime is 10102100101193. The next prime is 10102100101231. The reversal of 10102100101220 is 2210100120101.

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, 12785465 + ... + 13552575.

It is an arithmetic number, because the mean of its divisors is an integer number (445955191416).

Almost surely, 210102100101220 is an apocalyptic number.

10102100101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102100101220 is an abundant number, since it is smaller than the sum of its proper divisors (11303749086748).

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

10102100101220 is a wasteful number, since it uses less digits than its factorization.

10102100101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773060 (or 773058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10102100101220 its reverse (2210100120101), we get a palindrome (12312200221321).

The spelling of 10102100101220 in words is "ten trillion, one hundred two billion, one hundred million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 5827 11654 23308 29135 58270 116540 658451 767111 1316902 1534222 2633804 3068444 3292255 3835555 6584510 7671110 13169020 15342220 86683543 173367086 346734172 433417715 866835430 1733670860 4469955797 8939911594 17879823188 22349778985 44699557970 89399115940 505105005061 1010210010122 2020420020244 2525525025305 5051050050610 10102100101220