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149015385836 = 221912893152077
BaseRepresentation
bin1000101011001000000…
…0100101011011101100
3112020122010201221011022
42022302000211123230
54420140414321321
6152242352513312
713523511611012
oct2126200453354
9466563657138
10149015385836
1158219333a39
1224a68b4b838
131108a59b425
1472d8aca8b2
153d2243bdab
hex22b20256ec

149015385836 has 24 divisors (see below), whose sum is σ = 274525122480. Its totient is φ = 70580296512.

The previous prime is 149015385833. The next prime is 149015385839. The reversal of 149015385836 is 638583510941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (149015385833) and next prime (149015385839).

It is not an unprimeable number, because it can be changed into a prime (149015385833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903830 + ... + 1055906.

It is an arithmetic number, because the mean of its divisors is an integer number (11438546770).

Almost surely, 2149015385836 is an apocalyptic number.

It is an amenable number.

149015385836 is a deficient number, since it is larger than the sum of its proper divisors (125509736644).

149015385836 is a wasteful number, since it uses less digits than its factorization.

149015385836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164993 (or 164991 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 149015385836 in words is "one hundred forty-nine billion, fifteen million, three hundred eighty-five thousand, eight hundred thirty-six".

Divisors: 1 2 4 19 38 76 12893 25786 51572 152077 244967 304154 489934 608308 979868 2889463 5778926 11557852 1960728761 3921457522 7842915044 37253846459 74507692918 149015385836