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3841047299881 = 1121781692
BaseRepresentation
bin110111111001010000010…
…000101000011100101001
3111121012102012010220021201
4313321100100220130221
51000412431102044011
612100315222004201
7544335506231251
oct67712020503451
914535365126251
103841047299881
111250a85079400
12520506b76661
1321b29481a3ac
14d3c9c96a961
1569dab443cc1
hex37e50428729

3841047299881 has 9 divisors (see below), whose sum is σ = 4222001307223. Its totient is φ = 3491841583120.

The previous prime is 3841047299849. The next prime is 3841047299953. The reversal of 3841047299881 is 1889927401483.

The square root of 3841047299881 is 1959859.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 943017730281 + 2898029569600 = 971091^2 + 1702360^2 .

It is not a de Polignac number, because 3841047299881 - 25 = 3841047299849 is a prime.

It is a super-2 number, since 2×38410472998812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3841047294881) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 21469365 + ... + 21647533.

Almost surely, 23841047299881 is an apocalyptic number.

3841047299881 is the 1959859-th square number.

3841047299881 is the 979930-th centered octagonal number.

It is an amenable number.

3841047299881 is a deficient number, since it is larger than the sum of its proper divisors (380954007342).

3841047299881 is an frugal number, since it uses more digits than its factorization.

3841047299881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356360 (or 178180 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 64.

Multiplying 3841047299881 by its sum of digits (64), we get a square (245827027192384 = 156788722).

The spelling of 3841047299881 in words is "three trillion, eight hundred forty-one billion, forty-seven million, two hundred ninety-nine thousand, eight hundred eighty-one".

Divisors: 1 11 121 178169 1959859 21558449 31744192561 349186118171 3841047299881