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1941139998 = 233722941617
BaseRepresentation
bin111001110110011…
…0111001000011110
312000021121010111000
41303230313020132
512433412434443
6520341211130
766050263200
oct16354671036
95007533430
101941139998
119067a5236
12462100aa6
1324c209265
14145b36770
15b56378d3
hex73b3721e

1941139998 has 192 divisors, whose sum is σ = 5326171200. Its totient is φ = 521579520.

The previous prime is 1941139973. The next prime is 1941140017. The reversal of 1941139998 is 8999311491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3145786 + ... + 3146402.

It is an arithmetic number, because the mean of its divisors is an integer number (27740475).

Almost surely, 21941139998 is an apocalyptic number.

1941139998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1941139998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663085600).

1941139998 is an abundant number, since it is smaller than the sum of its proper divisors (3385031202).

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

1941139998 is a wasteful number, since it uses less digits than its factorization.

1941139998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 699 counting only the distinct ones).

The product of its digits is 629856, while the sum is 54.

The square root of 1941139998 is about 44058.3703511603. The cubic root of 1941139998 is about 1247.4379518887.

The spelling of 1941139998 in words is "one billion, nine hundred forty-one million, one hundred thirty-nine thousand, nine hundred ninety-eight".