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11430149500 = 22537113161157
BaseRepresentation
bin10101010010100101…
…00011110101111100
31002111120211202102101
422221102203311330
5141402104241000
65130111434444
7553151445010
oct125122436574
932446752371
1011430149500
114936026550
12226bb25a24
131102093c93
147a6082540
1546d70ae6a
hex2a94a3d7c

11430149500 has 384 divisors, whose sum is σ = 32861896704. Its totient is φ = 3369600000.

The previous prime is 11430149459. The next prime is 11430149501. The reversal of 11430149500 is 594103411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430149501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72803422 + ... + 72803578.

It is an arithmetic number, because the mean of its divisors is an integer number (85577856).

Almost surely, 211430149500 is an apocalyptic number.

11430149500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430149500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16430948352).

11430149500 is an abundant number, since it is smaller than the sum of its proper divisors (21431747204).

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

11430149500 is a wasteful number, since it uses less digits than its factorization.

11430149500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 11430149500 in words is "eleven billion, four hundred thirty million, one hundred forty-nine thousand, five hundred".