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87157930150 = 2522467770639
BaseRepresentation
bin101000100101100000…
…1000111100010100110
322022222012000121020001
41101023001013202212
52411444412231100
6104012332531514
76203566116424
oct1211301074246
9268865017201
1087157930150
1133a66419a35
1214a85020b9a
1382b0085345
14430b686114
152401ad1d6a
hex144b0478a6

87157930150 has 24 divisors (see below), whose sum is σ = 162122614560. Its totient is φ = 34861265760.

The previous prime is 87157930081. The next prime is 87157930157. The reversal of 87157930150 is 5103975178.

It is a self number, because there is not a number n which added to its sum of digits gives 87157930150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87157930157) 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, 1198531 + ... + 1269169.

It is an arithmetic number, because the mean of its divisors is an integer number (6755108940).

Almost surely, 287157930150 is an apocalyptic number.

87157930150 is a deficient number, since it is larger than the sum of its proper divisors (74964684410).

87157930150 is a wasteful number, since it uses less digits than its factorization.

87157930150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95328 (or 95323 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 46.

The spelling of 87157930150 in words is "eighty-seven billion, one hundred fifty-seven million, nine hundred thirty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 24677 49354 70639 123385 141278 246770 353195 616925 706390 1233850 1765975 3531950 1743158603 3486317206 8715793015 17431586030 43578965075 87157930150