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38134829479 = 376121180077
BaseRepresentation
bin100011100001000000…
…110101000110100111
310122102200102001112211
4203201000311012213
51111100004020404
625304025424251
72520005462605
oct434100650647
9118380361484
1038134829479
111519a1318aa
12748333b087
133799824c76
141bba9ac875
15ed2da8b04
hex8e10351a7

38134829479 has 16 divisors (see below), whose sum is σ = 39996718816. Its totient is φ = 36322473600.

The previous prime is 38134829477. The next prime is 38134829501. The reversal of 38134829479 is 97492843183.

It is a cyclic number.

It is not a de Polignac number, because 38134829479 - 21 = 38134829477 is a prime.

It is a super-2 number, since 2×381348294792 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38134829477) 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, 436189 + ... + 516265.

It is an arithmetic number, because the mean of its divisors is an integer number (2499794926).

Almost surely, 238134829479 is an apocalyptic number.

38134829479 is a deficient number, since it is larger than the sum of its proper divisors (1861889337).

38134829479 is a wasteful number, since it uses less digits than its factorization.

38134829479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80386.

The product of its digits is 10450944, while the sum is 58.

The spelling of 38134829479 in words is "thirty-eight billion, one hundred thirty-four million, eight hundred twenty-nine thousand, four hundred seventy-nine".

Divisors: 1 37 61 211 2257 7807 12871 80077 476227 2962849 4884697 16896247 180733789 625161139 1030671067 38134829479