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15152451142 = 216747452393
BaseRepresentation
bin11100001110010100…
…00000111001000110
31110010000000021100011
432013022000321012
5222013011414032
610543321340434
71044330465253
oct160712007106
943100007304
1015152451142
1164761888a4
122b2a63771a
1315762c582a
14a3a58a42a
155da3ca247
hex387280e46

15152451142 has 8 divisors (see below), whose sum is σ = 22730084136. Its totient is φ = 7575756432.

The previous prime is 15152451137. The next prime is 15152451143. The reversal of 15152451142 is 24115425151.

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

It is a super-2 number, since 2×151524511422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15152451143) 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, 192703 + ... + 259690.

It is an arithmetic number, because the mean of its divisors is an integer number (2841260517).

Almost surely, 215152451142 is an apocalyptic number.

15152451142 is a deficient number, since it is larger than the sum of its proper divisors (7577632994).

15152451142 is a wasteful number, since it uses less digits than its factorization.

15152451142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469142.

The product of its digits is 8000, while the sum is 31.

Adding to 15152451142 its reverse (24115425151), we get a palindrome (39267876293).

The spelling of 15152451142 in words is "fifteen billion, one hundred fifty-two million, four hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 16747 33494 452393 904786 7576225571 15152451142