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88252142988 = 223671087100981
BaseRepresentation
bin101001000110000111…
…1001101010110001100
322102210102222101001110
41102030033031112030
52421220022033423
6104313101412020
76242653560342
oct1221417152614
9272712871043
1088252142988
1134478041269
121512b56a010
13842598ab69
1443b2b19992
152467bc3193
hex148c3cd58c

88252142988 has 48 divisors (see below), whose sum is σ = 209189464064. Its totient is φ = 28951369920.

The previous prime is 88252142983. The next prime is 88252142999. The reversal of 88252142988 is 88924125288.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (88252142983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823458 + ... + 924438.

Almost surely, 288252142988 is an apocalyptic number.

It is an amenable number.

88252142988 is an abundant number, since it is smaller than the sum of its proper divisors (120937321076).

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

88252142988 is a wasteful number, since it uses less digits than its factorization.

88252142988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102142 (or 102140 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 57.

The spelling of 88252142988 in words is "eighty-eight billion, two hundred fifty-two million, one hundred forty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 1087 2174 3261 4348 6522 13044 72829 100981 145658 201962 218487 291316 302943 403924 436974 605886 873948 1211772 6765727 13531454 20297181 27062908 40594362 81188724 109766347 219532694 329299041 439065388 658598082 1317196164 7354345249 14708690498 22063035747 29417380996 44126071494 88252142988