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31145014505132 = 221136089960737
BaseRepresentation
bin1110001010011100000111…
…00001101010111010101100
311002021102201121111022120122
413011032003201222322230
513040234442203131012
6150123453325504112
76363103331164103
oct705160341527254
9132242647438518
1031145014505132
119a18587815000
1235b0142412038
13144bc68136978
147995d8dbb03a
153902475d0e72
hex1c538386aeac

31145014505132 has 48 divisors (see below), whose sum is σ = 59959966016160. Its totient is φ = 14154485058560.

The previous prime is 31145014505123. The next prime is 31145014505261. The reversal of 31145014505132 is 23150541054113.

It is a happy number.

31145014505132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 31145014505092 and 31145014505101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31937468 + ... + 32898204.

It is an arithmetic number, because the mean of its divisors is an integer number (1249165958670).

Almost surely, 231145014505132 is an apocalyptic number.

It is an amenable number.

31145014505132 is a deficient number, since it is larger than the sum of its proper divisors (28814951511028).

31145014505132 is a wasteful number, since it uses less digits than its factorization.

31145014505132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966863 (or 966839 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 31145014505132 its reverse (23150541054113), we get a palindrome (54295555559245).

The spelling of 31145014505132 in words is "thirty-one trillion, one hundred forty-five billion, fourteen million, five hundred five thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 5324 6089 12178 24356 66979 133958 267916 736769 960737 1473538 1921474 2947076 3842948 8104459 10568107 16208918 21136214 32417836 42272428 116249177 232498354 464996708 1278740947 2557481894 5114963788 5849927593 11699855186 23399710372 64349203523 128698407046 257396814092 707841238753 1415682477506 2831364955012 7786253626283 15572507252566 31145014505132