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6968139424 = 251311998353
BaseRepresentation
bin1100111110101010…
…10101111010100000
3122222121210011021221
412133111111322200
5103232320430144
63111235224424
7334451131201
oct63725257240
918877704257
106968139424
112a56373314
121425748114
1387082c12c
144a16255a8
152abb23d84
hex19f555ea0

6968139424 has 48 divisors (see below), whose sum is σ = 13894372800. Its totient is φ = 3439687680.

The previous prime is 6968139419. The next prime is 6968139443. The reversal of 6968139424 is 4249318696.

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, 830032 + ... + 838384.

It is an arithmetic number, because the mean of its divisors is an integer number (289466100).

Almost surely, 26968139424 is an apocalyptic number.

It is an amenable number.

6968139424 is a deficient number, since it is larger than the sum of its proper divisors (6926233376).

6968139424 is a wasteful number, since it uses less digits than its factorization.

6968139424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693 (or 8685 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 6968139424 is about 83475.3821434799. The cubic root of 6968139424 is about 1910.0245260595.

The spelling of 6968139424 in words is "six billion, nine hundred sixty-eight million, one hundred thirty-nine thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 131 199 262 398 524 796 1048 1592 2096 3184 4192 6368 8353 16706 26069 33412 52138 66824 104276 133648 208552 267296 417104 834208 1094243 1662247 2188486 3324494 4376972 6648988 8753944 13297976 17507888 26595952 35015776 53191904 217754357 435508714 871017428 1742034856 3484069712 6968139424