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88838488921938 = 23722329907499483
BaseRepresentation
bin10100001100110001010010…
…100100110001011101010010
3102122112212200001001222120020
4110030301102210301131102
543121012211131000223
6512535501032124310
724466240400305200
oct2414612244613522
9378485601058506
1088838488921938
1126341211a88868
129b695b2236696
133a755836b4862
1417d1b3d1bc070
15a40d5db911e3
hex50cc52931752

88838488921938 has 192 divisors, whose sum is σ = 223355179330560. Its totient is φ = 23415748126848.

The previous prime is 88838488921933. The next prime is 88838488921939. The reversal of 88838488921938 is 83912988483888.

It is a happy number.

It is a super-2 number, since 2×888384889219382 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (87).

It is not an unprimeable number, because it can be changed into a prime (88838488921933) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 177611145 + ... + 178110627.

It is an arithmetic number, because the mean of its divisors is an integer number (1163308225680).

Almost surely, 288838488921938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88838488921938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111677589665280).

88838488921938 is an abundant number, since it is smaller than the sum of its proper divisors (134516690408622).

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

88838488921938 is a wasteful number, since it uses less digits than its factorization.

88838488921938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500461 (or 500454 counting only the distinct ones).

The product of its digits is 12230590464, while the sum is 87.

The spelling of 88838488921938 in words is "eighty-eight trillion, eight hundred thirty-eight billion, four hundred eighty-eight million, nine hundred twenty-one thousand, nine hundred thirty-eight".