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133770443444 = 22117341647087
BaseRepresentation
bin111110010010101010…
…1101111101010110100
3110210021200200121200022
41330211111233222310
54142430213142234
6141241524504312
712443646002561
oct1744525575264
9423250617608
10133770443444
1151805a230a0
1221b1354b098
13c7cb090a61
146690145868
15372dd91e2e
hex1f2556fab4

133770443444 has 24 divisors (see below), whose sum is σ = 258878299008. Its totient is φ = 59971803840.

The previous prime is 133770443441. The next prime is 133770443453. The reversal of 133770443444 is 444344077331.

It is a super-2 number, since 2×1337704434442 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 133770443395 and 133770443404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133770443441) 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, 20820332 + ... + 20826755.

It is an arithmetic number, because the mean of its divisors is an integer number (10786595792).

Almost surely, 2133770443444 is an apocalyptic number.

It is an amenable number.

133770443444 is a deficient number, since it is larger than the sum of its proper divisors (125107855564).

133770443444 is a wasteful number, since it uses less digits than its factorization.

133770443444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647175 (or 41647173 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 44.

The spelling of 133770443444 in words is "one hundred thirty-three billion, seven hundred seventy million, four hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 73 146 292 803 1606 3212 41647087 83294174 166588348 458117957 916235914 1832471828 3040237351 6080474702 12160949404 33442610861 66885221722 133770443444