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157750363684 = 221985892
BaseRepresentation
bin1001001011101010100…
…1111000011000100100
3120002011220010210010101
42102322221320120210
510041033043114214
6200245225433444
714253125652514
oct2227251703044
9502156123111
10157750363684
11609a0a710a1
12266a633b884
1311b50179584
1478c6c35844
154184218774
hex24baa78624

157750363684 has 9 divisors (see below), whose sum is σ = 276064526577. Its totient is φ = 78874784664.

The previous prime is 157750363681. The next prime is 157750363697. The reversal of 157750363684 is 486363057751.

It is a happy number.

The square root of 157750363684 is 397178.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 117252826084 + 40497537600 = 342422^2 + 201240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157750363681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 695062 + ... + 893650.

Almost surely, 2157750363684 is an apocalyptic number.

157750363684 is the 397178-th square number.

It is an amenable number.

157750363684 is a deficient number, since it is larger than the sum of its proper divisors (118314162893).

157750363684 is an frugal number, since it uses more digits than its factorization.

157750363684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397182 (or 198591 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 157750363684 in words is "one hundred fifty-seven billion, seven hundred fifty million, three hundred sixty-three thousand, six hundred eighty-four".

Divisors: 1 2 4 198589 397178 794356 39437590921 78875181842 157750363684