Search a number
-
+
102112202120211 = 3279756118994541
BaseRepresentation
bin10111001101111011011001…
…100010001101110000010011
3111101112211102221020122122200
4113031323121202031300103
5101341001242220321321
61001101410440334243
730336235363010313
oct2715733142156023
9441484387218580
10102112202120211
112a5995a6045628
12b552041a74383
1344c91a719b90a
141b30385115443
15bc128cd7ed26
hex5cded988dc13

102112202120211 has 24 divisors (see below), whose sum is σ = 149382195668160. Its totient is φ = 67204202083200.

The previous prime is 102112202120179. The next prime is 102112202120237. The reversal of 102112202120211 is 112021202211201.

102112202120211 is a `hidden beast` number, since 1 + 0 + 21 + 1 + 220 + 212 + 0 + 211 = 666.

It is not a de Polignac number, because 102112202120211 - 25 = 102112202120179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102112202122211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4121400 + ... + 14873141.

It is an arithmetic number, because the mean of its divisors is an integer number (6224258152840).

Almost surely, 2102112202120211 is an apocalyptic number.

102112202120211 is a deficient number, since it is larger than the sum of its proper divisors (47269993547949).

102112202120211 is a wasteful number, since it uses less digits than its factorization.

102112202120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002187 (or 19002184 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102112202120211 its reverse (112021202211201), we get a palindrome (214133404331412).

The spelling of 102112202120211 in words is "one hundred two trillion, one hundred twelve billion, two hundred two million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 3 9 79 237 711 7561 22683 68049 597319 1791957 5375871 18994541 56983623 170950869 1500568739 4501706217 13505118651 143617724501 430853173503 1292559520509 11345800235579 34037400706737 102112202120211