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11520145002 = 232803684989
BaseRepresentation
bin10101011101010011…
…10111011001101010
31002201212012000001010
422232221313121222
5142043124120002
65143044404350
7555323421402
oct125651673152
932655160033
1011520145002
1149819044a3
1222960a66b6
131117913b62
147b3dcb802
1547658646c
hex2aea7766a

11520145002 has 16 divisors (see below), whose sum is σ = 23048543520. Its totient is φ = 3838672752.

The previous prime is 11520144983. The next prime is 11520145003. The reversal of 11520145002 is 20054102511.

It is a self number, because there is not a number n which added to its sum of digits gives 11520145002.

It is not an unprimeable number, because it can be changed into a prime (11520145003) 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, 325677 + ... + 359312.

It is an arithmetic number, because the mean of its divisors is an integer number (1440533970).

Almost surely, 211520145002 is an apocalyptic number.

11520145002 is an abundant number, since it is smaller than the sum of its proper divisors (11528398518).

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

11520145002 is a wasteful number, since it uses less digits than its factorization.

11520145002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687797.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 11520145002 its reverse (20054102511), we get a palindrome (31574247513).

The spelling of 11520145002 in words is "eleven billion, five hundred twenty million, one hundred forty-five thousand, two".

Divisors: 1 2 3 6 2803 5606 8409 16818 684989 1369978 2054967 4109934 1920024167 3840048334 5760072501 11520145002