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38401836403 = 7223475313679
BaseRepresentation
bin100011110000111011…
…011000010101110011
310200010021211102012011
4203300323120111303
51112121332231103
625350324343351
72526430136500
oct436073302563
9120107742164
1038401836403
1115316921087
127538844b57
13380cc40628
141c042344a7
15eeb54bd6d
hex8f0ed8573

38401836403 has 48 divisors (see below), whose sum is σ = 48507310080. Its totient is φ = 30231225024.

The previous prime is 38401836391. The next prime is 38401836419. The reversal of 38401836403 is 30463810483.

It is not a de Polignac number, because 38401836403 - 221 = 38399739251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38401836103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2800518 + ... + 2814196.

It is an arithmetic number, because the mean of its divisors is an integer number (1010568960).

Almost surely, 238401836403 is an apocalyptic number.

38401836403 is a deficient number, since it is larger than the sum of its proper divisors (10105473677).

38401836403 is a wasteful number, since it uses less digits than its factorization.

38401836403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816 (or 13809 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 38401836403 in words is "thirty-eight billion, four hundred one million, eight hundred thirty-six thousand, four hundred three".

Divisors: 1 7 23 47 49 53 161 329 371 1081 1127 1219 2303 2491 2597 7567 8533 13679 17437 52969 57293 59731 95753 122059 314617 401051 642913 670271 724987 2202319 2807357 4500391 5074909 14786999 15416233 16674701 31502737 34074389 35524363 103508993 116722907 238520723 724562951 783710947 817060349 1669645061 5485976629 38401836403