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2513473157 = 13557334693
BaseRepresentation
bin1001010111010000…
…1000111010000101
320111011112122222102
42111310020322011
520121422120112
61053224241445
7116200112036
oct22564107205
96434478872
102513473157
11107a876648
125a1910285
13310968b30
1419bb5aa8d
15ea9dcbc2
hex95d08e85

2513473157 has 8 divisors (see below), whose sum is σ = 2707380984. Its totient is φ = 2319645888.

The previous prime is 2513473111. The next prime is 2513473177. The reversal of 2513473157 is 7513743152.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 556516 + 2512916641 = 746^2 + 50129^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2513473157 - 26 = 2513473093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2513473157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513473177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55103 + ... + 89795.

It is an arithmetic number, because the mean of its divisors is an integer number (338422623).

Almost surely, 22513473157 is an apocalyptic number.

It is an amenable number.

2513473157 is a deficient number, since it is larger than the sum of its proper divisors (193907827).

2513473157 is a wasteful number, since it uses less digits than its factorization.

2513473157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40279.

The product of its digits is 88200, while the sum is 38.

The square root of 2513473157 is about 50134.5505315446. The cubic root of 2513473157 is about 1359.6425597914.

The spelling of 2513473157 in words is "two billion, five hundred thirteen million, four hundred seventy-three thousand, one hundred fifty-seven".

Divisors: 1 13 5573 34693 72449 451009 193344089 2513473157