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152277770131 = 241867629593
BaseRepresentation
bin1000110111010001110…
…1100101111110010011
3112120001111111020002021
42031310131211332103
54443331102121011
6153542213032311
714000404455334
oct2156435457623
9476044436067
10152277770131
1159642916603
1225619625697
131148a440236
1475280b428b
153e63a5e471
hex2374765f93

152277770131 has 4 divisors (see below), whose sum is σ = 152278641592. Its totient is φ = 152276898672.

The previous prime is 152277770083. The next prime is 152277770137. The reversal of 152277770131 is 131077772251.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 131077772251 = 184770967933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-152277770131 is a prime.

It is a super-2 number, since 2×1522777701312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152277770137) 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, 72930 + ... + 556663.

It is an arithmetic number, because the mean of its divisors is an integer number (38069660398).

Almost surely, 2152277770131 is an apocalyptic number.

152277770131 is a deficient number, since it is larger than the sum of its proper divisors (871461).

152277770131 is an equidigital number, since it uses as much as digits as its factorization.

152277770131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871460.

The product of its (nonzero) digits is 144060, while the sum is 43.

The spelling of 152277770131 in words is "one hundred fifty-two billion, two hundred seventy-seven million, seven hundred seventy thousand, one hundred thirty-one".

Divisors: 1 241867 629593 152277770131