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3120142597 = 111325186929
BaseRepresentation
bin1011100111111001…
…1001100100000101
322001110002122222221
42321332121210011
522342224030342
61233335252341
7140214526435
oct27176314405
98043078887
103120142597
11136126a350
12730b1a0b1
133a955b330
1421855c2c5
15133dc6a67
hexb9f99905

3120142597 has 16 divisors (see below), whose sum is σ = 3680268480. Its totient is φ = 2607840000.

The previous prime is 3120142573. The next prime is 3120142621. The reversal of 3120142597 is 7952410213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3120142573) and next prime (3120142621).

It is a cyclic number.

It is not a de Polignac number, because 3120142597 - 227 = 2985924869 is a prime.

It is a super-2 number, since 2×31201425972 = 19470579651227808818, 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 (3120142547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7572 + ... + 79357.

It is an arithmetic number, because the mean of its divisors is an integer number (230016780).

Almost surely, 23120142597 is an apocalyptic number.

It is an amenable number.

3120142597 is a deficient number, since it is larger than the sum of its proper divisors (560125883).

3120142597 is a wasteful number, since it uses less digits than its factorization.

3120142597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87204.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3120142597 is about 55858.2366084000. The cubic root of 3120142597 is about 1461.2509758870.

The spelling of 3120142597 in words is "three billion, one hundred twenty million, one hundred forty-two thousand, five hundred ninety-seven".

Divisors: 1 11 13 143 251 2761 3263 35893 86929 956219 1130077 12430847 21819179 240010969 283649327 3120142597