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1361872472 = 23170234059
BaseRepresentation
bin101000100101100…
…1000011001011000
310111220121021211012
41101023020121120
510242114404342
6343045353052
745514503452
oct12113103130
93456537735
101361872472
11639817a44
12320108788
131891bc2cc
14ccc292d2
157e862b82
hex512c8658

1361872472 has 8 divisors (see below), whose sum is σ = 2553510900. Its totient is φ = 680936232.

The previous prime is 1361872469. The next prime is 1361872483. The reversal of 1361872472 is 2742781631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85117022 + ... + 85117037.

Almost surely, 21361872472 is an apocalyptic number.

It is an amenable number.

1361872472 is a deficient number, since it is larger than the sum of its proper divisors (1191638428).

1361872472 is a wasteful number, since it uses less digits than its factorization.

1361872472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170234065 (or 170234061 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 1361872472 is about 36903.5563597873. The cubic root of 1361872472 is about 1108.4398914540.

The spelling of 1361872472 in words is "one billion, three hundred sixty-one million, eight hundred seventy-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 170234059 340468118 680936236 1361872472