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22130412140 = 2252938155883
BaseRepresentation
bin10100100111000100…
…110100101001101100
32010010022021102022002
4110213010310221230
5330310341142030
614055551311432
71412261254004
oct244704645154
963108242262
1022130412140
11942704a211
12435751b578
132118b83235
1410dd20b004
15897cde245
hex527134a6c

22130412140 has 24 divisors (see below), whose sum is σ = 48076413840. Its totient is φ = 8546917568.

The previous prime is 22130412119. The next prime is 22130412179. The reversal of 22130412140 is 4121403122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19077362 + ... + 19078521.

It is an arithmetic number, because the mean of its divisors is an integer number (2003183910).

Almost surely, 222130412140 is an apocalyptic number.

22130412140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130412140 is an abundant number, since it is smaller than the sum of its proper divisors (25946001700).

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

22130412140 is a wasteful number, since it uses less digits than its factorization.

22130412140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38155921 (or 38155919 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22130412140 its reverse (4121403122), we get a palindrome (26251815262).

The spelling of 22130412140 in words is "twenty-two billion, one hundred thirty million, four hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 38155883 76311766 152623532 190779415 381558830 763117660 1106520607 2213041214 4426082428 5532603035 11065206070 22130412140