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38876129028 = 22321198172043
BaseRepresentation
bin100100001101001100…
…101010011100000100
310201100100021222100200
4210031030222130010
51114104242112103
625505350210500
72544246434022
oct441514523404
9121310258320
1038876129028
111553a61a160
12764b653a30
133887294559
141c4b217712
151027ed80a3
hex90d32a704

38876129028 has 36 divisors (see below), whose sum is σ = 107203872048. Its totient is φ = 11780645040.

The previous prime is 38876128999. The next prime is 38876129077. The reversal of 38876129028 is 82092167883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×388761290282 (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 11 ways as a sum of consecutive naturals, for example, 49085626 + ... + 49086417.

Almost surely, 238876129028 is an apocalyptic number.

It is an amenable number.

38876129028 is an abundant number, since it is smaller than the sum of its proper divisors (68327743020).

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

38876129028 is a wasteful number, since it uses less digits than its factorization.

38876129028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98172064 (or 98172059 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 38876129028 in words is "thirty-eight billion, eight hundred seventy-six million, one hundred twenty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 98172043 196344086 294516129 392688172 589032258 883548387 1079892473 1178064516 1767096774 2159784946 3239677419 3534193548 4319569892 6479354838 9719032257 12958709676 19438064514 38876129028