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38353155148 = 22721117789033
BaseRepresentation
bin100011101110000001…
…101011010001001100
310122222220020011001201
4203232001223101030
51112021401431043
625341425115244
72525266303600
oct435601532114
9118886204051
1038353155148
11152a13a1140
127524488b24
133802b27559
141bdb9a1500
15ee7132c4d
hex8ee06b44c

38353155148 has 36 divisors (see below), whose sum is σ = 85173894792. Its totient is φ = 14942786880.

The previous prime is 38353155101. The next prime is 38353155149. The reversal of 38353155148 is 84155135383.

It is a junction number, because it is equal to n+sod(n) for n = 38353155098 and 38353155107.

It is not an unprimeable number, because it can be changed into a prime (38353155149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8892361 + ... + 8896672.

It is an arithmetic number, because the mean of its divisors is an integer number (2365941522).

Almost surely, 238353155148 is an apocalyptic number.

It is an amenable number.

38353155148 is an abundant number, since it is smaller than the sum of its proper divisors (46820739644).

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

38353155148 is a wasteful number, since it uses less digits than its factorization.

38353155148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17789062 (or 17789053 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The spelling of 38353155148 in words is "thirty-eight billion, three hundred fifty-three million, one hundred fifty-five thousand, one hundred forty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 17789033 35578066 71156132 124523231 195679363 249046462 391358726 498092924 782717452 871662617 1369755541 1743325234 2739511082 3486650468 5479022164 9588288787 19176577574 38353155148