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102100313980900 = 2252292348432
BaseRepresentation
bin10111001101110000010100…
…111100100011111111100100
3111101111200202102121121022201
4113031300110330203333210
5101340302420334342100
61001052123044304244
730335334650335114
oct2715602474437744
9441450672547281
10102100313980900
112a594555546604
12b54b8846a2084
1344c8031271361
141b2d9782d5044
15bc0ce435836a
hex5cdc14f23fe4

102100313980900 has 81 divisors (see below), whose sum is σ = 229467632663451. Its totient is φ = 39430713698880.

The previous prime is 102100313980897. The next prime is 102100313980927. The reversal of 102100313980900 is 9089313001201.

The square root of 102100313980900 is 10104470.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1403424054244 + 100696889926656 = 1184662^2 + 10034784^2 .

It is a super-2 number, since 2×1021003139809002 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102100313980900.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2930278879 + ... + 2930313721.

Almost surely, 2102100313980900 is an apocalyptic number.

102100313980900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100313980900 is the 10104470-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102100313980900

102100313980900 is an abundant number, since it is smaller than the sum of its proper divisors (127367318682551).

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

102100313980900 is an frugal number, since it uses more digits than its factorization.

102100313980900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69758 (or 34879 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 102100313980900 in words is "one hundred two trillion, one hundred billion, three hundred thirteen million, nine hundred eighty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 841 1450 1682 2900 3364 4205 8410 16820 21025 34843 42050 69686 84100 139372 174215 348430 696860 871075 1010447 1742150 2020894 3484300 4041788 5052235 10104470 20208940 25261175 29302963 50522350 58605926 101044700 117211852 146514815 293029630 586059260 732574075 1214034649 1465148150 2428069298 2930296300 4856138596 6070173245 12140346490 24280692980 30350866225 35207004821 60701732450 70414009642 121403464900 140828019284 176035024105 352070048210 704140096420 880175120525 1021003139809 1760350241050 2042006279618 3520700482100 4084012559236 5105015699045 10210031398090 20420062796180 25525078495225 51050156990450 102100313980900