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190468231488 = 2634237379277
BaseRepresentation
bin1011000101100011001…
…0101001000101000000
3200012122001120200020000
42301120302221011000
511110034331401423
6223255551120000
716521660153303
oct2613062510500
9605561520200
10190468231488
1173860395467
1230ab7513000
1314c65642b72
14930c204b3a
154e4b756843
hex2c58ca9140

190468231488 has 560 divisors, whose sum is σ = 606969454080. Its totient is φ = 58925408256.

The previous prime is 190468231487. The next prime is 190468231519. The reversal of 190468231488 is 884132864091.

It is a happy number.

190468231488 is a `hidden beast` number, since 1 + 90 + 46 + 8 + 2 + 31 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190468231487) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 687610806 + ... + 687611082.

Almost surely, 2190468231488 is an apocalyptic number.

190468231488 is a gapful number since it is divisible by the number (18) 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 190468231488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303484727040).

190468231488 is an abundant number, since it is smaller than the sum of its proper divisors (416501222592).

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

190468231488 is a wasteful number, since it uses less digits than its factorization.

190468231488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 190468231488 in words is "one hundred ninety billion, four hundred sixty-eight million, two hundred thirty-one thousand, four hundred eighty-eight".