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91010000102 = 27103187933589
BaseRepresentation
bin101010011000010011…
…1100110010011100110
322200220122101000210112
41110300213212103212
52442342030000402
6105450500053022
76401212144160
oct1246047462346
9280818330715
1091010000102
113566285511a
121577b094172
138775151088
1445950cd930
152579d85e52
hex15309e64e6

91010000102 has 32 divisors (see below), whose sum is σ = 157620403200. Its totient is φ = 38603897568.

The previous prime is 91010000093. The next prime is 91010000111. The reversal of 91010000102 is 20100001019.

It is an interprime number because it is at equal distance from previous prime (91010000093) and next prime (91010000111).

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 2692724 + ... + 2726312.

It is an arithmetic number, because the mean of its divisors is an integer number (4925637600).

Almost surely, 291010000102 is an apocalyptic number.

91010000102 is a deficient number, since it is larger than the sum of its proper divisors (66610403098).

91010000102 is a wasteful number, since it uses less digits than its factorization.

91010000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35580.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 91010000102 in words is "ninety-one billion, ten million, one hundred two", and thus it is an aban number.

Divisors: 1 2 7 14 103 206 721 1442 1879 3758 13153 26306 33589 67178 193537 235123 387074 470246 1354759 2709518 3459667 6919334 24217669 48435338 63113731 126227462 441796117 883592234 6500714293 13001428586 45505000051 91010000102