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18683668702 = 229476853877
BaseRepresentation
bin10001011001101000…
…100010100011011110
31210020002121201011201
4101121220202203132
5301231004344302
612325543510114
71230666364216
oct213150424336
953202551151
1018683668702
117a18497916
12375515833a
1319b9a7238a
14c93553246
15745401c87
hex459a228de

18683668702 has 16 divisors (see below), whose sum is σ = 29608752960. Its totient is φ = 8827792288.

The previous prime is 18683668697. The next prime is 18683668739. The reversal of 18683668702 is 20786638681.

It is a congruent number.

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, 3424213 + ... + 3429664.

It is an arithmetic number, because the mean of its divisors is an integer number (1850547060).

Almost surely, 218683668702 is an apocalyptic number.

18683668702 is a deficient number, since it is larger than the sum of its proper divisors (10925084258).

18683668702 is a wasteful number, since it uses less digits than its factorization.

18683668702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853955.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 18683668702 in words is "eighteen billion, six hundred eighty-three million, six hundred sixty-eight thousand, seven hundred two".

Divisors: 1 2 29 47 58 94 1363 2726 6853877 13707754 198762433 322132219 397524866 644264438 9341834351 18683668702