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38117339802 = 234972425693
BaseRepresentation
bin100011011111111110…
…000111001010011010
310122101110111111020000
4203133332013022122
51111031014333202
625302202513430
72516404020363
oct433776071232
9118343444200
1038117339802
1115190276623
127479505876
133796010349
141bb8538b6a
15ed15a191c
hex8dff8729a

38117339802 has 40 divisors (see below), whose sum is σ = 86291638356. Its totient is φ = 12574787328.

The previous prime is 38117339791. The next prime is 38117339851. The reversal of 38117339802 is 20893371183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33811486641 + 4305853161 = 183879^2 + 65619^2 .

It is a super-2 number, since 2×381173398022 (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 19 ways as a sum of consecutive naturals, for example, 1197133 + ... + 1228560.

Almost surely, 238117339802 is an apocalyptic number.

38117339802 is an abundant number, since it is smaller than the sum of its proper divisors (48174298554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38117339802 is a wasteful number, since it uses less digits than its factorization.

38117339802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425804 (or 2425795 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 38117339802 in words is "thirty-eight billion, one hundred seventeen million, three hundred thirty-nine thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 97 162 194 291 582 873 1746 2619 5238 7857 15714 2425693 4851386 7277079 14554158 21831237 43662474 65493711 130987422 196481133 235292221 392962266 470584442 705876663 1411753326 2117629989 4235259978 6352889967 12705779934 19058669901 38117339802