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122111070 = 2357095741
BaseRepresentation
bin1110100011101…
…00010001011110
322111202212220020
413101310101132
5222230023240
620041133010
73011632644
oct721642136
9274685806
10122111070
1162a23944
1234a8a166
131c3b5a93
1412309194
15aac10d0
hex747445e

122111070 has 32 divisors (see below), whose sum is σ = 293531040. Its totient is φ = 32511360.

The previous prime is 122111057. The next prime is 122111089. The reversal of 122111070 is 70111221.

It is a super-2 number, since 2×1221110702 = 29822226833089800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 18400 + ... + 24140.

It is an arithmetic number, because the mean of its divisors is an integer number (9172845).

Almost surely, 2122111070 is an apocalyptic number.

122111070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111070 is an abundant number, since it is smaller than the sum of its proper divisors (171419970).

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

122111070 is a wasteful number, since it uses less digits than its factorization.

122111070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 122111070 is about 11050.3877760013. The cubic root of 122111070 is about 496.1180319819.

Adding to 122111070 its reverse (70111221), we get a palindrome (192222291).

The spelling of 122111070 in words is "one hundred twenty-two million, one hundred eleven thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 709 1418 2127 3545 4254 5741 7090 10635 11482 17223 21270 28705 34446 57410 86115 172230 4070369 8140738 12211107 20351845 24422214 40703690 61055535 122111070