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152140301661 = 350713433887
BaseRepresentation
bin1000110110110001000…
…1001100010101011101
3112112200220211002210110
42031230101030111131
54443040404123121
6153520422400233
713664115140535
oct2155421142535
9475626732713
10152140301661
11595822634a7
122559b590079
1311467b0b24a
147513b2c4c5
153e56957d76
hex236c44c55d

152140301661 has 4 divisors (see below), whose sum is σ = 202853735552. Its totient is φ = 101426867772.

The previous prime is 152140301639. The next prime is 152140301699. The reversal of 152140301661 is 166103041251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 152140301661 - 225 = 152106747229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152140801661) 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, 25356716941 + ... + 25356716946.

It is an arithmetic number, because the mean of its divisors is an integer number (50713433888).

Almost surely, 2152140301661 is an apocalyptic number.

It is an amenable number.

152140301661 is a deficient number, since it is larger than the sum of its proper divisors (50713433891).

152140301661 is an equidigital number, since it uses as much as digits as its factorization.

152140301661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50713433890.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 152140301661 in words is "one hundred fifty-two billion, one hundred forty million, three hundred one thousand, six hundred sixty-one".

Divisors: 1 3 50713433887 152140301661