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145560125031 = 348520041677
BaseRepresentation
bin1000011110010000001…
…1110011111001100111
3111220201100001111101220
42013210003303321213
54341101343000111
6150511442351423
713342054435236
oct2074403637147
9456640044356
10145560125031
11568059943a2
122426395b573
13109597977c9
14708bc56b1d
153bbde1ae06
hex21e40f3e67

145560125031 has 4 divisors (see below), whose sum is σ = 194080166712. Its totient is φ = 97040083352.

The previous prime is 145560125023. The next prime is 145560125071. The reversal of 145560125031 is 130521065541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145560125031 - 23 = 145560125023 is a prime.

It is a super-2 number, since 2×1455601250312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145560124983 and 145560125001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145560125071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24260020836 + ... + 24260020841.

It is an arithmetic number, because the mean of its divisors is an integer number (48520041678).

Almost surely, 2145560125031 is an apocalyptic number.

145560125031 is a deficient number, since it is larger than the sum of its proper divisors (48520041681).

145560125031 is an equidigital number, since it uses as much as digits as its factorization.

145560125031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48520041680.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 145560125031 in words is "one hundred forty-five billion, five hundred sixty million, one hundred twenty-five thousand, thirty-one".

Divisors: 1 3 48520041677 145560125031