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20060131152 = 2431574196353
BaseRepresentation
bin10010101011101011…
…010100111101010000
31220210000200020200110
4102223223110331100
5312040343144102
613114314121320
71310052205245
oct225353247520
956700606613
1020060131152
11856446a496
123a7a120240
131b78c9c4b9
14d842995cc
157c619786c
hex4abad4f50

20060131152 has 80 divisors (see below), whose sum is σ = 52284778560. Its totient is φ = 6627219456.

The previous prime is 20060131081. The next prime is 20060131153. The reversal of 20060131152 is 25113106002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060131153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3154408 + ... + 3160760.

It is an arithmetic number, because the mean of its divisors is an integer number (653559732).

Almost surely, 220060131152 is an apocalyptic number.

It is an amenable number.

20060131152 is an abundant number, since it is smaller than the sum of its proper divisors (32224647408).

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

20060131152 is a wasteful number, since it uses less digits than its factorization.

20060131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940 (or 6934 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 20060131152 its reverse (25113106002), we get a palindrome (45173237154).

The spelling of 20060131152 in words is "twenty billion, sixty million, one hundred thirty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 157 314 419 471 628 838 942 1256 1257 1676 1884 2512 2514 3352 3768 5028 6353 6704 7536 10056 12706 19059 20112 25412 38118 50824 65783 76236 101648 131566 152472 197349 263132 304944 394698 526264 789396 997421 1052528 1578792 1994842 2661907 2992263 3157584 3989684 5323814 5984526 7979368 7985721 10647628 11969052 15958736 15971442 21295256 23938104 31942884 42590512 47876208 63885768 127771536 417919399 835838798 1253758197 1671677596 2507516394 3343355192 5015032788 6686710384 10030065576 20060131152