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918101001110021 = 59223253927483427
BaseRepresentation
bin1101000011000000100000110…
…0000010100000001000000101
311110101201121011022212102021122
43100300020030002200020011
51430314131322241010041
613012345435522123325
7364245415452615521
oct32060101402401005
94411647138772248
10918101001110021
112465984a2312573
1286b7a15b7b0545
13305397259a9021
14122a047b44cd81
157121da996ec4b
hex343020c0a0205

918101001110021 has 16 divisors (see below), whose sum is σ = 938218271692800. Its totient is φ = 898138793480688.

The previous prime is 918101001109997. The next prime is 918101001110023. The reversal of 918101001110021 is 120011100101819.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-918101001110021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918101001110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19663910 + ... + 47147336.

It is an arithmetic number, because the mean of its divisors is an integer number (58638641980800).

Almost surely, 2918101001110021 is an apocalyptic number.

It is an amenable number.

918101001110021 is a deficient number, since it is larger than the sum of its proper divisors (20117270582779).

918101001110021 is a wasteful number, since it uses less digits than its factorization.

918101001110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27486248.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 918101001110021 in words is "nine hundred eighteen trillion, one hundred one billion, one million, one hundred ten thousand, twenty-one".

Divisors: 1 59 223 2539 13157 149801 566197 27483427 33405623 1621522193 6128804221 69780421153 361599449039 4117044848027 15561033917119 918101001110021