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20132401994 = 246121835577
BaseRepresentation
bin10010101111111111…
…000001001101001010
31220222001122222122022
4102233333001031022
5312212343330434
613125415124442
71311620410355
oct225777011512
956861588568
1020132401994
1185a1241661
123a9a373722
131b8ac54803
14d8db0d29c
157cc6c122e
hex4affc134a

20132401994 has 8 divisors (see below), whose sum is σ = 30264111108. Its totient is φ = 10044364960.

The previous prime is 20132401979. The next prime is 20132402009. The reversal of 20132401994 is 49910423102.

It is an interprime number because it is at equal distance from previous prime (20132401979) and next prime (20132402009).

It can be written as a sum of positive squares in 2 ways, for example, as 19034341225 + 1098060769 = 137965^2 + 33137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201324019942 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10916867 + ... + 10918710.

Almost surely, 220132401994 is an apocalyptic number.

20132401994 is a deficient number, since it is larger than the sum of its proper divisors (10131709114).

20132401994 is a wasteful number, since it uses less digits than its factorization.

20132401994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21836040.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20132401994 in words is "twenty billion, one hundred thirty-two million, four hundred one thousand, nine hundred ninety-four".

Divisors: 1 2 461 922 21835577 43671154 10066200997 20132401994