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4145182333381 = 4769986902919
BaseRepresentation
bin111100010100100000000…
…111101101100111000101
3112200021102212212101121201
4330110200013231213011
51020403313134132011
612452134231142501
7605323324324105
oct74244007554705
915607385771551
104145182333381
111358a643a9561
1256b445214a31
13240b7322928b
141048b0d33205
1572c5bb4ccc1
hex3c5201ed9c5

4145182333381 has 4 divisors (see below), whose sum is σ = 4145269284000. Its totient is φ = 4145095382764.

The previous prime is 4145182333379. The next prime is 4145182333507. The reversal of 4145182333381 is 1833332815414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4145182333381 - 21 = 4145182333379 is a prime.

It is a super-2 number, since 2×41451823333812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145182333301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43403761 + ... + 43499158.

It is an arithmetic number, because the mean of its divisors is an integer number (1036317321000).

Almost surely, 24145182333381 is an apocalyptic number.

It is an amenable number.

4145182333381 is a deficient number, since it is larger than the sum of its proper divisors (86950619).

4145182333381 is an equidigital number, since it uses as much as digits as its factorization.

4145182333381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86950618.

The product of its digits is 829440, while the sum is 46.

The spelling of 4145182333381 in words is "four trillion, one hundred forty-five billion, one hundred eighty-two million, three hundred thirty-three thousand, three hundred eighty-one".

Divisors: 1 47699 86902919 4145182333381