Search a number
-
+
102101000202 = 2331991394951
BaseRepresentation
bin101111100010110110…
…0011010000000001010
3100202112121001012201000
41133011230122000022
53133100324001302
6114523214435430
710243105116345
oct1370554320012
9322477035630
10102101000202
113a334397703
1217955502b76
139821b8a926
144d280cb45c
1529c88ed31c
hex17c5b1a00a

102101000202 has 32 divisors (see below), whose sum is σ = 226904895360. Its totient is φ = 34031599200.

The previous prime is 102101000129. The next prime is 102101000219. The reversal of 102101000202 is 202000101201.

It is a super-2 number, since 2×1021010002022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 1027827 + ... + 1122777.

It is an arithmetic number, because the mean of its divisors is an integer number (7090777980).

Almost surely, 2102101000202 is an apocalyptic number.

102101000202 is an abundant number, since it is smaller than the sum of its proper divisors (124803895158).

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

102101000202 is a wasteful number, since it uses less digits than its factorization.

102101000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114875 (or 114869 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102101000202 its reverse (202000101201), we get a palindrome (304101101403).

The spelling of 102101000202 in words is "one hundred two billion, one hundred one million, two hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 27 54 19913 39826 59739 94951 119478 179217 189902 284853 358434 537651 569706 854559 1075302 1709118 2563677 5127354 1890759263 3781518526 5672277789 11344555578 17016833367 34033666734 51050500101 102101000202