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157000507774 = 2117136386717
BaseRepresentation
bin1001001000110111110…
…1011010000101111110
3120000020122011011012021
42102031331122011332
510033014112222044
6200043001430354
714225422203625
oct2221575320576
9500218134167
10157000507774
116064676a270
122651719b3ba
1311a60a02556
1478554006bc
15413d498e84
hex248df5a17e

157000507774 has 8 divisors (see below), whose sum is σ = 256909921848. Its totient is φ = 71363867160.

The previous prime is 157000507771. The next prime is 157000507831. The reversal of 157000507774 is 477705000751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157000507774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157000507771) 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, 3568193337 + ... + 3568193380.

It is an arithmetic number, because the mean of its divisors is an integer number (32113740231).

Almost surely, 2157000507774 is an apocalyptic number.

157000507774 is a deficient number, since it is larger than the sum of its proper divisors (99909414074).

157000507774 is a wasteful number, since it uses less digits than its factorization.

157000507774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136386730.

The product of its (nonzero) digits is 240100, while the sum is 43.

The spelling of 157000507774 in words is "one hundred fifty-seven billion, five hundred seven thousand, seven hundred seventy-four".

Divisors: 1 2 11 22 7136386717 14272773434 78500253887 157000507774