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2868198956 = 227565118127
BaseRepresentation
bin1010101011110101…
…0011111000101100
321101220000121021222
42222331103320230
521333224331311
61152335242512
7131035201040
oct25275237054
97356017258
102868198956
111242029367
12680679438
133692b805c
141d2cd8020
1511bc0badb
hexaaf53e2c

2868198956 has 24 divisors (see below), whose sum is σ = 5737729536. Its totient is φ = 1228942800.

The previous prime is 2868198929. The next prime is 2868198961. The reversal of 2868198956 is 6598918682.

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, 149165 + ... + 167291.

It is an arithmetic number, because the mean of its divisors is an integer number (239072064).

Almost surely, 22868198956 is an apocalyptic number.

It is an amenable number.

2868198956 is an abundant number, since it is smaller than the sum of its proper divisors (2869530580).

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

2868198956 is a wasteful number, since it uses less digits than its factorization.

2868198956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23789 (or 23787 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 62.

The square root of 2868198956 is about 53555.5688607637. The cubic root of 2868198956 is about 1420.8113719176.

The spelling of 2868198956 in words is "two billion, eight hundred sixty-eight million, one hundred ninety-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 5651 11302 18127 22604 36254 39557 72508 79114 126889 158228 253778 507556 102435677 204871354 409742708 717049739 1434099478 2868198956