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272120051 = 7263147811
BaseRepresentation
bin10000001110000…
…011100011110011
3200222001010112102
4100032003203303
51024130320201
643000251015
76512660630
oct2016034363
9628033472
10272120051
1112a671905
1277170a6b
13444b8aa8
14281d7187
1518d5326b
hex103838f3

272120051 has 8 divisors (see below), whose sum is σ = 312178944. Its totient is φ = 232357320.

The previous prime is 272120047. The next prime is 272120059. The reversal of 272120051 is 150021272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272120051 - 22 = 272120047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272120059) 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, 72065 + ... + 75746.

It is an arithmetic number, because the mean of its divisors is an integer number (39022368).

Almost surely, 2272120051 is an apocalyptic number.

272120051 is a deficient number, since it is larger than the sum of its proper divisors (40058893).

272120051 is a wasteful number, since it uses less digits than its factorization.

272120051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148081.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 272120051 is about 16496.0616815045. The cubic root of 272120051 is about 648.0176694300.

The spelling of 272120051 in words is "two hundred seventy-two million, one hundred twenty thousand, fifty-one".

Divisors: 1 7 263 1841 147811 1034677 38874293 272120051