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1401225231140 = 2257677310120261
BaseRepresentation
bin10100011000111111100…
…010000011101100100100
311221221210210110222121222
4110120333202003230210
5140424202124344030
62551414115355512
7203143444642340
oct24307742035444
94857723428558
101401225231140
114a0290127609
121a76975b2b98
13a219a6c3807
144bb69226620
15266b09d13e5
hex1463f883b24

1401225231140 has 192 divisors, whose sum is σ = 3494317736448. Its totient is φ = 462122496000.

The previous prime is 1401225231127. The next prime is 1401225231229. The reversal of 1401225231140 is 411325221041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69148610 + ... + 69168870.

It is an arithmetic number, because the mean of its divisors is an integer number (18199571544).

Almost surely, 21401225231140 is an apocalyptic number.

1401225231140 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 1401225231140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747158868224).

1401225231140 is an abundant number, since it is smaller than the sum of its proper divisors (2093092505308).

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

1401225231140 is a wasteful number, since it uses less digits than its factorization.

1401225231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20518 (or 20516 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 1401225231140 in words is "one trillion, four hundred one billion, two hundred twenty-five million, two hundred thirty-one thousand, one hundred forty".