Search a number
-
+
157042851814 = 278521425907
BaseRepresentation
bin1001001001000001111…
…0111011111111100110
3120000100120211110022001
42102100132323333212
510033110432224224
6200051113155514
714226445133632
oct2222036737746
9500316743261
10157042851814
1160668660a42
12265293bbb9a
1311a69709cb4
14785aca3dc2
154142060544
hex24907bbfe6

157042851814 has 4 divisors (see below), whose sum is σ = 235564277724. Its totient is φ = 78521425906.

The previous prime is 157042851803. The next prime is 157042851859. The reversal of 157042851814 is 418158240751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418158240751 = 1912189310161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39260712952 + ... + 39260712955.

It is an arithmetic number, because the mean of its divisors is an integer number (58891069431).

Almost surely, 2157042851814 is an apocalyptic number.

157042851814 is a deficient number, since it is larger than the sum of its proper divisors (78521425910).

157042851814 is an equidigital number, since it uses as much as digits as its factorization.

157042851814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78521425909.

The product of its (nonzero) digits is 358400, while the sum is 46.

The spelling of 157042851814 in words is "one hundred fifty-seven billion, forty-two million, eight hundred fifty-one thousand, eight hundred fourteen".

Divisors: 1 2 78521425907 157042851814