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38110457961 = 3410921992
BaseRepresentation
bin100011011111100011…
…110111000001101001
310122100222112212010000
4203133203313001221
51111022234123321
625301355213213
72516261355612
oct433743670151
9118328485100
1038110457961
11151873a6154
127477147209
133794770b54
141bb7666c09
15ed0b92826
hex8df8f7069

38110457961 has 45 divisors (see below), whose sum is σ = 57747708711. Its totient is φ = 25047378576.

The previous prime is 38110457933. The next prime is 38110458007. The reversal of 38110457961 is 16975401183.

The square root of 38110457961 is 195219.

It is a perfect power (a square), and thus also a powerful number.

38110457961 is a `hidden beast` number, since 3 + 8 + 1 + 10 + 4 + 579 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26562806361 + 11547651600 = 162981^2 + 107460^2 .

It is not a de Polignac number, because 38110457961 - 29 = 38110457449 is a prime.

It is a super-4 number, since 4×381104579614 (a number of 43 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38110457911) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 191509740 + ... + 191509938.

Almost surely, 238110457961 is an apocalyptic number.

38110457961 is the 195219-th square number.

38110457961 is the 97610-th centered octagonal number.

It is an amenable number.

38110457961 is a deficient number, since it is larger than the sum of its proper divisors (19637250750).

38110457961 is an frugal number, since it uses more digits than its factorization.

38110457961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 38110457961 in words is "thirty-eight billion, one hundred ten million, four hundred fifty-seven thousand, nine hundred sixty-one".

Divisors: 1 3 9 27 81 109 199 327 597 981 1791 2943 5373 8829 11881 16119 21691 35643 39601 65073 106929 118803 195219 320787 356409 585657 962361 1069227 1756971 2364319 3207681 4316509 7092957 12949527 21278871 38848581 63836613 116545743 191509839 349637229 470499481 1411498443 4234495329 12703485987 38110457961