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628145718513 = 310930739715761
BaseRepresentation
bin10010010010000000110…
…01110000010011110001
32020001100112222200212020
421021000121300103301
540242420300443023
61200322142422053
763245015340255
oct11110031602361
92201315880766
10628145718513
11222438978495
12a18a4891929
1347306b08411
142258c326265
1511515cb9de3
hex92406704f1

628145718513 has 32 divisors (see below), whose sum is σ = 850154363520. Its totient is φ = 412502492160.

The previous prime is 628145718509. The next prime is 628145718517. The reversal of 628145718513 is 315817541826.

It is an interprime number because it is at equal distance from previous prime (628145718509) and next prime (628145718517).

It is not a de Polignac number, because 628145718513 - 22 = 628145718509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628145718517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39846553 + ... + 39862313.

It is an arithmetic number, because the mean of its divisors is an integer number (26567323860).

Almost surely, 2628145718513 is an apocalyptic number.

It is an amenable number.

628145718513 is a deficient number, since it is larger than the sum of its proper divisors (222008645007).

628145718513 is a wasteful number, since it uses less digits than its factorization.

628145718513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16577.

The product of its digits is 1612800, while the sum is 51.

The spelling of 628145718513 in words is "six hundred twenty-eight billion, one hundred forty-five million, seven hundred eighteen thousand, five hundred thirteen".

Divisors: 1 3 109 307 327 397 921 1191 15761 33463 43273 47283 100389 121879 129819 365637 1717949 4838627 5153847 6257117 13284811 14515881 18771351 39854433 527410343 682025753 1582231029 1920934919 2046077259 5762804757 209381906171 628145718513