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102688514370 = 2335132273592
BaseRepresentation
bin101111110100010110…
…1100110000101000010
3100211001112120000122000
41133220231212011002
53140301224424440
6115101403124430
710263500653551
oct1375055460502
9324045500560
10102688514370
113a605a97802
1217a9a213716
1398b6804350
144d82143d98
152a102a1730
hex17e8b66142

102688514370 has 192 divisors, whose sum is σ = 297026835840. Its totient is φ = 25095719808.

The previous prime is 102688514353. The next prime is 102688514387. The reversal of 102688514370 is 73415886201.

102688514370 is a `hidden beast` number, since 1 + 0 + 2 + 68 + 8 + 514 + 3 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (102688514353) and next prime (102688514387).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 286040251 + ... + 286040609.

It is an arithmetic number, because the mean of its divisors is an integer number (1547014770).

Almost surely, 2102688514370 is an apocalyptic number.

102688514370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102688514370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148513417920).

102688514370 is an abundant number, since it is smaller than the sum of its proper divisors (194338321470).

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

102688514370 is a wasteful number, since it uses less digits than its factorization.

102688514370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 102688514370 in words is "one hundred two billion, six hundred eighty-eight million, five hundred fourteen thousand, three hundred seventy".