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11900000610 = 2325132222229
BaseRepresentation
bin10110001010100101…
…11001100101100010
31010201022221122222100
423011102321211202
5143332400004420
65244454151230
7600615223221
oct130522714542
933638848870
1011900000610
115057270653
122381352516
1311785213a4
1480c62acb8
15499abb190
hex2c54b9962

11900000610 has 24 divisors (see below), whose sum is σ = 30940001820. Its totient is φ = 3173333472.

The previous prime is 11900000603. The next prime is 11900000617. The reversal of 11900000610 is 1600000911.

It is an interprime number because it is at equal distance from previous prime (11900000603) and next prime (11900000617).

It can be written as a sum of positive squares in 2 ways, for example, as 10792508769 + 1107491841 = 103887^2 + 33279^2 .

It is a super-2 number, since 2×119000006102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11900000617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66111025 + ... + 66111204.

Almost surely, 211900000610 is an apocalyptic number.

11900000610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11900000610 is an abundant number, since it is smaller than the sum of its proper divisors (19040001210).

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

11900000610 is a wasteful number, since it uses less digits than its factorization.

11900000610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132222242 (or 132222239 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The spelling of 11900000610 in words is "eleven billion, nine hundred million, six hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 132222229 264444458 396666687 661111145 793333374 1190000061 1322222290 1983333435 2380000122 3966666870 5950000305 11900000610