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1201420331232 = 253114217269791
BaseRepresentation
bin10001011110111010001…
…110110110100011100000
311020212002001022102010220
4101132322032312203200
5124141002101044412
62315531435123040
7152541213214302
oct21367216664340
94225061272126
101201420331232
11423579501a60
12174a152a3480
13893a79345a4
144221300d972
15213b974968c
hex117ba3b68e0

1201420331232 has 96 divisors (see below), whose sum is σ = 3441259551744. Its totient is φ = 363979084800.

The previous prime is 1201420331197. The next prime is 1201420331249. The reversal of 1201420331232 is 2321330241021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 4318257 + ... + 4588047.

It is an arithmetic number, because the mean of its divisors is an integer number (35846453664).

Almost surely, 21201420331232 is an apocalyptic number.

1201420331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201420331232 is an abundant number, since it is smaller than the sum of its proper divisors (2239839220512).

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

1201420331232 is a wasteful number, since it uses less digits than its factorization.

1201420331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274032 (or 274024 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1201420331232 its reverse (2321330241021), we get a palindrome (3522750572253).

The spelling of 1201420331232 in words is "one trillion, two hundred one billion, four hundred twenty million, three hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 4217 8434 12651 16868 25302 33736 46387 50604 67472 92774 101208 134944 139161 185548 202416 269791 278322 371096 404832 539582 556644 742192 809373 1079164 1113288 1484384 1618746 2158328 2226576 2967701 3237492 4316656 4453152 5935402 6474984 8633312 8903103 11870804 12949968 17806206 23741608 25899936 35612412 47483216 71224824 94966432 142449648 284899296 1137708647 2275417294 3413125941 4550834588 6826251882 9101669176 12514795117 13652503764 18203338352 25029590234 27305007528 36406676704 37544385351 50059180468 54610015056 75088770702 100118360936 109220030112 150177541404 200236721872 300355082808 400473443744 600710165616 1201420331232