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3871976942 = 231413794019
BaseRepresentation
bin1110011011001001…
…1010110111101110
3100222211210210211102
43212302122313232
530412211230232
61440113523102
7164644155341
oct34662326756
910884723742
103871976942
1117076a2649
12900873492
13499248a22
1428a34a458
15179dd7662
hexe6c9adee

3871976942 has 32 divisors (see below), whose sum is σ = 6159283200. Its totient is φ = 1822564800.

The previous prime is 3871976939. The next prime is 3871976947. The reversal of 3871976942 is 2496791783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871976947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961409 + ... + 965427.

It is an arithmetic number, because the mean of its divisors is an integer number (192477600).

Almost surely, 23871976942 is an apocalyptic number.

3871976942 is a deficient number, since it is larger than the sum of its proper divisors (2287306258).

3871976942 is a wasteful number, since it uses less digits than its factorization.

3871976942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its digits is 4572288, while the sum is 56.

The square root of 3871976942 is about 62225.2114660931. The cubic root of 3871976942 is about 1570.2817650538.

The spelling of 3871976942 in words is "three billion, eight hundred seventy-one million, nine hundred seventy-six thousand, nine hundred forty-two".

Divisors: 1 2 31 41 62 82 379 758 1271 2542 4019 8038 11749 15539 23498 31078 124589 164779 249178 329558 481709 963418 1523201 3046402 5108149 10216298 47219231 62451241 94438462 124902482 1935988471 3871976942