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151010160661 = 234331644431
BaseRepresentation
bin1000110010100011101…
…0000011000000010101
3112102210011020222210101
42030220322003000111
54433232100120121
6153212331454101
713624113121033
oct2145072030025
9472704228711
10151010160661
1159052331878
1225324bb7331
1311317936369
1474479c5553
153ddc61b491
hex2328e83015

151010160661 has 4 divisors (see below), whose sum is σ = 151011039424. Its totient is φ = 151009281900.

The previous prime is 151010160617. The next prime is 151010160689. The reversal of 151010160661 is 166061010151.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 151010160661 - 221 = 151008063509 is a prime.

It is a super-2 number, since 2×1510101606612 (a number of 23 digits) 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 (151010160061) 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, 87885 + ... + 556546.

It is an arithmetic number, because the mean of its divisors is an integer number (37752759856).

Almost surely, 2151010160661 is an apocalyptic number.

It is an amenable number.

151010160661 is a deficient number, since it is larger than the sum of its proper divisors (878763).

151010160661 is an equidigital number, since it uses as much as digits as its factorization.

151010160661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878762.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 151010160661 in words is "one hundred fifty-one billion, ten million, one hundred sixty thousand, six hundred sixty-one".

Divisors: 1 234331 644431 151010160661