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11903352072 = 233495973003
BaseRepresentation
bin10110001010111111…
…01011110100001000
31010201120020221022120
423011133223310020
5143334224231242
65245054051240
7600655552233
oct130537536410
933646227276
1011903352072
11505914a657
1223824a9b20
1311791259c1
1480cc6041a
1549a02e1ec
hex2c57ebd08

11903352072 has 16 divisors (see below), whose sum is σ = 29758380240. Its totient is φ = 3967784016.

The previous prime is 11903352061. The next prime is 11903352107. The reversal of 11903352072 is 27025330911.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247986478 + ... + 247986525.

It is an arithmetic number, because the mean of its divisors is an integer number (1859898765).

Almost surely, 211903352072 is an apocalyptic number.

11903352072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11903352072 is an abundant number, since it is smaller than the sum of its proper divisors (17855028168).

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

11903352072 is a wasteful number, since it uses less digits than its factorization.

11903352072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495973012 (or 495973008 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 11903352072 its reverse (27025330911), we get a palindrome (38928682983).

The spelling of 11903352072 in words is "eleven billion, nine hundred three million, three hundred fifty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 495973003 991946006 1487919009 1983892012 2975838018 3967784024 5951676036 11903352072