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2022102138 = 237157930491
BaseRepresentation
bin111100010000110…
…1101010001111010
312012220221102122210
41320201231101322
513120124232023
6532352355550
7101052404340
oct17041552172
95186842583
102022102138
119484732a1
12485245bb6
13262c15554
141527ad990
15bc7cb593
hex7886d47a

2022102138 has 32 divisors (see below), whose sum is σ = 4625026560. Its totient is φ = 577358640.

The previous prime is 2022102119. The next prime is 2022102139. The reversal of 2022102138 is 8312012202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2022102139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51073 + ... + 81563.

It is an arithmetic number, because the mean of its divisors is an integer number (144532080).

Almost surely, 22022102138 is an apocalyptic number.

2022102138 is an abundant number, since it is smaller than the sum of its proper divisors (2602924422).

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

2022102138 is a wasteful number, since it uses less digits than its factorization.

2022102138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32082.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2022102138 is about 44967.7900057363. The cubic root of 2022102138 is about 1264.5452156580.

The spelling of 2022102138 in words is "two billion, twenty-two million, one hundred two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 1579 3158 4737 9474 11053 22106 30491 33159 60982 66318 91473 182946 213437 426874 640311 1280622 48145289 96290578 144435867 288871734 337017023 674034046 1011051069 2022102138