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109912801 = 197563991
BaseRepresentation
bin1101000110100…
…10001011100001
321122211011000111
412203102023201
5211114202201
614523451321
72503146325
oct643221341
9248734014
10109912801
1157052129
1230986b41
1319a0477b
1410851985
1599b1b51
hex68d22e1

109912801 has 8 divisors (see below), whose sum is σ = 110778624. Its totient is φ = 109050480.

The previous prime is 109912787. The next prime is 109912807. The reversal of 109912801 is 108219901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109912801 - 29 = 109912289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109912807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110416 + ... + 111406.

It is an arithmetic number, because the mean of its divisors is an integer number (13847328).

Almost surely, 2109912801 is an apocalyptic number.

It is an amenable number.

109912801 is a deficient number, since it is larger than the sum of its proper divisors (865823).

109912801 is an equidigital number, since it uses as much as digits as its factorization.

109912801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 109912801 is about 10483.9306083167. The cubic root of 109912801 is about 479.0153440488.

The spelling of 109912801 in words is "one hundred nine million, nine hundred twelve thousand, eight hundred one".

Divisors: 1 197 563 991 110911 195227 557933 109912801