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38468153690 = 2517226283257
BaseRepresentation
bin100011110100111000…
…010111000101011010
310200021220121200101222
4203310320113011122
51112240321404230
625401054012042
72531163624401
oct436470270532
9120256550358
1038468153690
11153502a725a
127556aa7022
1338208bcb25
141c0cd78638
15100229b6e5
hex8f4e1715a

38468153690 has 16 divisors (see below), whose sum is σ = 73315775592. Its totient is φ = 14482128384.

The previous prime is 38468153663. The next prime is 38468153743. The reversal of 38468153690 is 9635186483.

38468153690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1961332+1.

It can be written as a sum of positive squares in 4 ways, for example, as 29949417481 + 8518736209 = 173059^2 + 92297^2 .

It is a super-2 number, since 2×384681536902 (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 7 ways as a sum of consecutive naturals, for example, 113141459 + ... + 113141798.

Almost surely, 238468153690 is an apocalyptic number.

38468153690 is a deficient number, since it is larger than the sum of its proper divisors (34847621902).

38468153690 is a wasteful number, since it uses less digits than its factorization.

38468153690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226283281.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 38468153690 in words is "thirty-eight billion, four hundred sixty-eight million, one hundred fifty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 226283257 452566514 1131416285 2262832570 3846815369 7693630738 19234076845 38468153690