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1912030489404 = 223572311295003
BaseRepresentation
bin11011110100101101111…
…001011110101100111100
320202210021200200200200000
4123310231321132230330
5222311314301130104
64022212533034300
7255065620000500
oct33645571365474
96683250620600
101912030489404
11677984401512
1226a693185990
1310b3c4303119
1468785506300
1534b0a037639
hex1bd2de5eb3c

1912030489404 has 216 divisors, whose sum is σ = 6018598430208. Its totient is φ = 528671616480.

The previous prime is 1912030489333. The next prime is 1912030489409. The reversal of 1912030489404 is 4049840302191.

1912030489404 is a `hidden beast` number, since 1 + 9 + 120 + 3 + 0 + 489 + 40 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1912030489404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912030489409) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 828967 + ... + 2123969.

Almost surely, 21912030489404 is an apocalyptic number.

1912030489404 is a gapful number since it is divisible by the number (14) 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 1912030489404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3009299215104).

1912030489404 is an abundant number, since it is smaller than the sum of its proper divisors (4106567940804).

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

1912030489404 is a wasteful number, since it uses less digits than its factorization.

1912030489404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295067 (or 1295046 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 1912030489404 in words is "one trillion, nine hundred twelve billion, thirty million, four hundred eighty-nine thousand, four hundred four".