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11345939190 = 233542021997
BaseRepresentation
bin10101001000100010…
…10100101011110110
31002021201101102121000
422210101110223312
5141214030023230
65113502504130
7551106614625
oct124421245366
932251342530
1011345939190
1148a253a053
122247895046
1310ba7bb3b1
14798c016bc
15466124b60
hex2a4454af6

11345939190 has 32 divisors (see below), whose sum is σ = 30255838560. Its totient is φ = 3025583712.

The previous prime is 11345939177. The next prime is 11345939203. The reversal of 11345939190 is 9193954311.

11345939190 is a `hidden beast` number, since 1 + 1 + 3 + 459 + 3 + 9 + 190 = 666.

It is an interprime number because it is at equal distance from previous prime (11345939177) and next prime (11345939203).

It is a super-2 number, since 2×113459391902 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 21010729 + ... + 21011268.

It is an arithmetic number, because the mean of its divisors is an integer number (945494955).

Almost surely, 211345939190 is an apocalyptic number.

11345939190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11345939190 is an abundant number, since it is smaller than the sum of its proper divisors (18909899370).

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

11345939190 is a wasteful number, since it uses less digits than its factorization.

11345939190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42022013 (or 42022007 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 11345939190 in words is "eleven billion, three hundred forty-five million, nine hundred thirty-nine thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 42021997 84043994 126065991 210109985 252131982 378197973 420219970 630329955 756395946 1134593919 1260659910 1890989865 2269187838 3781979730 5672969595 11345939190