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122010239 = 13233891049
BaseRepresentation
bin1110100010110…
…11101001111111
322111120202120202
413101123221333
5222213311424
620035034115
73011032661
oct721335177
9274522522
10122010239
116296510a
1234a3b93b
131c37bc10
14122c0531
15aaa12ae
hex745ba7f

122010239 has 16 divisors (see below), whose sum is σ = 137592000. Its totient is φ = 107348736.

The previous prime is 122010211. The next prime is 122010247. The reversal of 122010239 is 932010221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122010239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122010239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010209) 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, 115787 + ... + 116835.

It is an arithmetic number, because the mean of its divisors is an integer number (8599500).

Almost surely, 2122010239 is an apocalyptic number.

122010239 is a deficient number, since it is larger than the sum of its proper divisors (15581761).

122010239 is a wasteful number, since it uses less digits than its factorization.

122010239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 122010239 is about 11045.8245052146. The cubic root of 122010239 is about 495.9814408920.

The spelling of 122010239 in words is "one hundred twenty-two million, ten thousand, two hundred thirty-nine".

Divisors: 1 13 23 299 389 1049 5057 8947 13637 24127 116311 313651 408061 5304793 9385403 122010239