Search a number
-
+
102018182820 = 22351700303047
BaseRepresentation
bin101111100000011000…
…0011110111010100100
3100202022211012122121120
41133000300132322210
53132413123322240
6114511055413540
710241051150301
oct1370060367244
9322284178546
10102018182820
113a2a1671794
12179318242b0
13980a982068
144d1b0d00a8
1529c14dead0
hex17c0c1eea4

102018182820 has 24 divisors (see below), whose sum is σ = 285650912064. Its totient is φ = 27204848736.

The previous prime is 102018182807. The next prime is 102018182857. The reversal of 102018182820 is 28281810201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850151464 + ... + 850151583.

It is an arithmetic number, because the mean of its divisors is an integer number (11902121336).

Almost surely, 2102018182820 is an apocalyptic number.

102018182820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102018182820 is an abundant number, since it is smaller than the sum of its proper divisors (183632729244).

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

102018182820 is a wasteful number, since it uses less digits than its factorization.

102018182820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700303059 (or 1700303057 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

The spelling of 102018182820 in words is "one hundred two billion, eighteen million, one hundred eighty-two thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1700303047 3400606094 5100909141 6801212188 8501515235 10201818282 17003030470 20403636564 25504545705 34006060940 51009091410 102018182820