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1148088131 = 3142838647
BaseRepresentation
bin100010001101110…
…0110111101000011
32222000022220211122
41010123212331003
54322402310011
6305531302455
740310405501
oct10433467503
92860286748
101148088131
1153a07a673
122805aaa2b
13153b19ab8
14ac699671
156abd43db
hex446e6f43

1148088131 has 8 divisors (see below), whose sum is σ = 1185537024. Its totient is φ = 1110665160.

The previous prime is 1148088107. The next prime is 1148088143. The reversal of 1148088131 is 1318808411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1148088131 is a prime.

It is a super-2 number, since 2×11480881312 = 2636212713086146322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1148088091 and 1148088100.

It is not an unprimeable number, because it can be changed into a prime (1148088181) 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, 128450 + ... + 137096.

It is an arithmetic number, because the mean of its divisors is an integer number (148192128).

Almost surely, 21148088131 is an apocalyptic number.

1148088131 is a deficient number, since it is larger than the sum of its proper divisors (37448893).

1148088131 is an equidigital number, since it uses as much as digits as its factorization.

1148088131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961.

The product of its (nonzero) digits is 6144, while the sum is 35.

The square root of 1148088131 is about 33883.4492193460. The cubic root of 1148088131 is about 1047.1086383247.

The spelling of 1148088131 in words is "one billion, one hundred forty-eight million, eighty-eight thousand, one hundred thirty-one".

Divisors: 1 31 4283 8647 132773 268057 37035101 1148088131