157720313300 has 36 divisors (see below), whose sum is σ = 373366998816. Its totient is φ = 57352840800.

The previous prime is 157720313287. The next prime is 157720313419. The reversal of 157720313300 is 3313027751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71689952 + ... + 71692151.

Almost surely, 2^157720313300 is an apocalyptic number.

157720313300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157720313300 is an abundant number, since it is smaller than the sum of its proper divisors (215646685516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157720313300 is a wasteful number, since it uses less digits than its factorization.

157720313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143382128 (or 143382121 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 32.

The spelling of 157720313300 in words is "one hundred fifty-seven billion, seven hundred twenty million, three hundred thirteen thousand, three hundred".