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38401144451188 = 2219505278216463
BaseRepresentation
bin10001011101100111101101…
…00100101111000001110100
312000222010001210010200020021
420232303312210233001310
520013131020434414223
6213401124153014524
711042251105110031
oct1056636644570164
9160863053120207
1038401144451188
1111265919a21812
1243824956b4444
13185729b7b6c9c
1496a8a7bbc388
15468d7dd4e65d
hex22ecf692f074

38401144451188 has 12 divisors (see below), whose sum is σ = 70738950304960. Its totient is φ = 18190015792632.

The previous prime is 38401144451123. The next prime is 38401144451227. The reversal of 38401144451188 is 88115444110483.

38401144451188 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×384011444511882 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252639108156 + ... + 252639108307.

Almost surely, 238401144451188 is an apocalyptic number.

38401144451188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38401144451188 is a deficient number, since it is larger than the sum of its proper divisors (32337805853772).

38401144451188 is a wasteful number, since it uses less digits than its factorization.

38401144451188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505278216486 (or 505278216484 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 52.

The spelling of 38401144451188 in words is "thirty-eight trillion, four hundred one billion, one hundred forty-four million, four hundred fifty-one thousand, one hundred eighty-eight".

Divisors: 1 2 4 19 38 76 505278216463 1010556432926 2021112865852 9600286112797 19200572225594 38401144451188