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43870379042 = 2721926718821
BaseRepresentation
bin101000110110111000…
…001101110000100010
311012020101212011102102
4220312320031300202
51204321304112132
632053114250402
73112102032500
oct506670156042
9135211764372
1043870379042
111767275a106
128604126a02
1341a1b8bb89
1421a261d670
15121b6a5c62
hexa36e0dc22

43870379042 has 48 divisors (see below), whose sum is σ = 80617553280. Its totient is φ = 17803346400.

The previous prime is 43870379017. The next prime is 43870379051. The reversal of 43870379042 is 24097307834.

It is a super-2 number, since 2×438703790422 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4968992 + ... + 4977812.

It is an arithmetic number, because the mean of its divisors is an integer number (1679532360).

Almost surely, 243870379042 is an apocalyptic number.

43870379042 is a deficient number, since it is larger than the sum of its proper divisors (36747174238).

43870379042 is a wasteful number, since it uses less digits than its factorization.

43870379042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11527 (or 11520 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 43870379042 in words is "forty-three billion, eight hundred seventy million, three hundred seventy-nine thousand, forty-two".

Divisors: 1 2 7 14 19 38 49 98 133 266 931 1862 2671 5342 8821 17642 18697 37394 50749 61747 101498 123494 130879 167599 261758 335198 355243 432229 710486 864458 1173193 2346386 2486701 4973402 8212351 16424702 23560891 47121782 164926237 329852474 447656929 895313858 1154483659 2308967318 3133598503 6267197006 21935189521 43870379042