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122100130 = 2567182239
BaseRepresentation
bin1110100011100…
…01100110100010
322111202022220001
413101301212202
5222224201010
620041010214
73011556025
oct721614642
9274668801
10122100130
1162a166a9
1234a8396a
131c3b0ac9
14123051bc
15aabcc3a
hex74719a2

122100130 has 16 divisors (see below), whose sum is σ = 223061760. Its totient is φ = 48110832.

The previous prime is 122100127. The next prime is 122100131. The reversal of 122100130 is 31001221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (122100131) 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 7 ways as a sum of consecutive naturals, for example, 90450 + ... + 91789.

It is an arithmetic number, because the mean of its divisors is an integer number (13941360).

Almost surely, 2122100130 is an apocalyptic number.

122100130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100130 is a deficient number, since it is larger than the sum of its proper divisors (100961630).

122100130 is a wasteful number, since it uses less digits than its factorization.

122100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182313.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 122100130 is about 11049.8927596606. The cubic root of 122100130 is about 496.1032157075.

Adding to 122100130 its reverse (31001221), we get a palindrome (153101351).

The spelling of 122100130 in words is "one hundred twenty-two million, one hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 182239 364478 911195 1822390 12210013 24420026 61050065 122100130