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1142653031 = 13106982223
BaseRepresentation
bin100010000011011…
…1000000001100111
32221122002210021122
41010012320001213
54320004344111
6305215004155
740213250642
oct10406700147
92848083248
101142653031
11536aa8153
1227a80965b
13152965c70
14aba82a59
156a4adcdb
hex441b8067

1142653031 has 8 divisors (see below), whose sum is σ = 1231715520. Its totient is φ = 1053757152.

The previous prime is 1142653019. The next prime is 1142653073. The reversal of 1142653031 is 1303562411.

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 1142653031 - 230 = 68911207 is a prime.

It is a super-2 number, since 2×11426530312 = 2611311898506973922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142653081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27215 + ... + 55008.

It is an arithmetic number, because the mean of its divisors is an integer number (153964440).

Almost surely, 21142653031 is an apocalyptic number.

1142653031 is a deficient number, since it is larger than the sum of its proper divisors (89062489).

1142653031 is a wasteful number, since it uses less digits than its factorization.

1142653031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83305.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1142653031 is about 33803.1511992595. The cubic root of 1142653031 is about 1045.4536711366.

The spelling of 1142653031 in words is "one billion, one hundred forty-two million, six hundred fifty-three thousand, thirty-one".

Divisors: 1 13 1069 13897 82223 1068899 87896387 1142653031