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149968578932 = 222937112930949
BaseRepresentation
bin1000101110101011010…
…0101110100101110100
3112100002120100011021022
42023222310232211310
54424113424011212
6152521123040312
713556234613434
oct2135264564564
9470076304238
10149968578932
1158668398027
1225094210098
13111acbca703
1473895322c4
153d7ae74772
hex22ead2e974

149968578932 has 48 divisors (see below), whose sum is σ = 279088530000. Its totient is φ = 70377237504.

The previous prime is 149968578913. The next prime is 149968578971. The reversal of 149968578932 is 239875869941.

It can be written as a sum of positive squares in 8 ways, for example, as 11862695056 + 138105883876 = 108916^2 + 371626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830194 + ... + 4861142.

It is an arithmetic number, because the mean of its divisors is an integer number (5814344375).

Almost surely, 2149968578932 is an apocalyptic number.

It is an amenable number.

149968578932 is a deficient number, since it is larger than the sum of its proper divisors (129119951068).

149968578932 is a wasteful number, since it uses less digits than its factorization.

149968578932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32148 (or 32146 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 71.

The spelling of 149968578932 in words is "one hundred forty-nine billion, nine hundred sixty-eight million, five hundred seventy-eight thousand, nine hundred thirty-two".

Divisors: 1 2 4 29 37 58 74 116 148 1073 1129 2146 2258 4292 4516 30949 32741 41773 61898 65482 83546 123796 130964 167092 897521 1145113 1211417 1795042 2290226 2422834 3590084 4580452 4845668 33208277 34941421 66416554 69882842 132833108 139765684 1013301209 1292832577 2026602418 2585665154 4053204836 5171330308 37492144733 74984289466 149968578932