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30143143160 = 2351371038161
BaseRepresentation
bin11100000100101010…
…111101110011111000
32212210201122022212122
4130010222331303320
5443213121040120
621503024100412
72114655326564
oct340452756370
985721568778
1030143143160
1111869022669
125a12a64708
132ac4c32cb0
14165d46a6a4
15bb64a1a25
hex704abdcf8

30143143160 has 64 divisors (see below), whose sum is σ = 73058388480. Its totient is φ = 11126845440.

The previous prime is 30143143157. The next prime is 30143143169. The reversal of 30143143160 is 6134134103.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143143169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3689480 + ... + 3697640.

It is an arithmetic number, because the mean of its divisors is an integer number (1141537320).

Almost surely, 230143143160 is an apocalyptic number.

It is an amenable number.

30143143160 is an abundant number, since it is smaller than the sum of its proper divisors (42915245320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30143143160 is a wasteful number, since it uses less digits than its factorization.

30143143160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288 (or 15284 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 30143143160 its reverse (6134134103), we get a palindrome (36277277263).

The spelling of 30143143160 in words is "thirty billion, one hundred forty-three million, one hundred forty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 7103 8161 14206 16322 28412 32644 35515 40805 56824 65288 71030 81610 92339 106093 142060 163220 184678 212186 284120 326440 369356 424372 461695 530465 738712 848744 923390 1060930 1846780 2121860 3693560 4243720 57967583 115935166 231870332 289837915 463740664 579675830 753578579 1159351660 1507157158 2318703320 3014314316 3767892895 6028628632 7535785790 15071571580 30143143160