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133031104032 = 2537611820947
BaseRepresentation
bin111101111100101000…
…1011000111000100000
3110201101011111021200010
41323321101120320200
54134421430312112
6141040314124520
712416430504231
oct1737121307040
9421334437603
10133031104032
1151466654492
1221947a20740
13c710b59708
14661dc8b088
1536d8eed63c
hex1ef9458e20

133031104032 has 48 divisors (see below), whose sum is σ = 349665718752. Its totient is φ = 44285406720.

The previous prime is 133031104009. The next prime is 133031104033. The reversal of 133031104032 is 230401130331.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (133031104033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837418 + ... + 983529.

It is an arithmetic number, because the mean of its divisors is an integer number (7284702474).

Almost surely, 2133031104032 is an apocalyptic number.

133031104032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133031104032 is an abundant number, since it is smaller than the sum of its proper divisors (216634614720).

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

133031104032 is a wasteful number, since it uses less digits than its factorization.

133031104032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821721 (or 1821713 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133031104032 its reverse (230401130331), we get a palindrome (363432234363).

The spelling of 133031104032 in words is "one hundred thirty-three billion, thirty-one million, one hundred four thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 761 1522 2283 3044 4566 6088 9132 12176 18264 24352 36528 73056 1820947 3641894 5462841 7283788 10925682 14567576 21851364 29135152 43702728 58270304 87405456 174810912 1385740667 2771481334 4157222001 5542962668 8314444002 11085925336 16628888004 22171850672 33257776008 44343701344 66515552016 133031104032