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133142040460 = 225111346553161
BaseRepresentation
bin111101111111111100…
…0100100111110001100
3110201122220020102211201
41323333320210332030
54140133330243320
6141055315555244
712422245446112
oct1737770447614
9421586212751
10133142040460
1151513235690
1221978bbbb24
13c72ab2c080
1466308c7ab2
1536e3b1370a
hex1effe24f8c

133142040460 has 48 divisors (see below), whose sum is σ = 328479111072. Its totient is φ = 44691033600.

The previous prime is 133142040439. The next prime is 133142040491. The reversal of 133142040460 is 64040241331.

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, 23273721 + ... + 23279440.

It is an arithmetic number, because the mean of its divisors is an integer number (6843314814).

Almost surely, 2133142040460 is an apocalyptic number.

133142040460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133142040460 is an abundant number, since it is smaller than the sum of its proper divisors (195337070612).

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

133142040460 is a wasteful number, since it uses less digits than its factorization.

133142040460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46553194 (or 46553192 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 133142040460 its reverse (64040241331), we get a palindrome (197182281791).

The spelling of 133142040460 in words is "one hundred thirty-three billion, one hundred forty-two million, forty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 46553161 93106322 186212644 232765805 465531610 512084771 605191093 931063220 1024169542 1210382186 2048339084 2420764372 2560423855 3025955465 5120847710 6051910930 6657102023 10241695420 12103821860 13314204046 26628408092 33285510115 66571020230 133142040460