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5258151987 = 311646924631
BaseRepresentation
bin1001110010110100…
…10000100000110011
3111120110010210111220
410321122100200303
541232041330422
62225432240123
7244205361114
oct47132204063
914513123456
105258151987
1122590a9460
121028b40043
1365a49694a
1437c4a020b
1520b94ae5c
hex139690833

5258151987 has 16 divisors (see below), whose sum is σ = 7649713920. Its totient is φ = 3186136800.

The previous prime is 5258151973. The next prime is 5258152001. The reversal of 5258151987 is 7891518525.

It is an interprime number because it is at equal distance from previous prime (5258151973) and next prime (5258152001).

It is a de Polignac number, because none of the positive numbers 2k-5258151987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5258151937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201162 + ... + 225792.

It is an arithmetic number, because the mean of its divisors is an integer number (478107120).

Almost surely, 25258151987 is an apocalyptic number.

5258151987 is a deficient number, since it is larger than the sum of its proper divisors (2391561933).

5258151987 is a wasteful number, since it uses less digits than its factorization.

5258151987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114.

The product of its digits is 1008000, while the sum is 51.

The square root of 5258151987 is about 72513.1159653204. The cubic root of 5258151987 is about 1738.9124294292.

The spelling of 5258151987 in words is "five billion, two hundred fifty-eight million, one hundred fifty-one thousand, nine hundred eighty-seven".

Divisors: 1 3 11 33 6469 19407 24631 71159 73893 213477 270941 812823 159337939 478013817 1752717329 5258151987