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3855122401 = 131915607783
BaseRepresentation
bin1110010111001000…
…0111111111100001
3100221200002111202011
43211302013333201
530343402404101
61434312352521
7164350666624
oct34562077741
910850074664
103855122401
1116a9130579
128b70a5741
134958c7220
14287ddddbb
151786a8751
hexe5c87fe1

3855122401 has 8 divisors (see below), whose sum is σ = 4370179520. Its totient is φ = 3371280912.

The previous prime is 3855122393. The next prime is 3855122423. The reversal of 3855122401 is 1042215583.

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

It is a cyclic number.

It is not a de Polignac number, because 3855122401 - 23 = 3855122393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3855122441) 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 7 ways as a sum of consecutive naturals, for example, 7803645 + ... + 7804138.

It is an arithmetic number, because the mean of its divisors is an integer number (546272440).

Almost surely, 23855122401 is an apocalyptic number.

It is an amenable number.

3855122401 is a deficient number, since it is larger than the sum of its proper divisors (515057119).

3855122401 is a wasteful number, since it uses less digits than its factorization.

3855122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15607815.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 3855122401 is about 62089.6319927893. The cubic root of 3855122401 is about 1567.9999957971. Note that the first 5 decimals are identical.

Adding to 3855122401 its sum of digits (31), we get a cube (3855122432 = 15683).

Adding to 3855122401 its reverse (1042215583), we get a palindrome (4897337984).

The spelling of 3855122401 in words is "three billion, eight hundred fifty-five million, one hundred twenty-two thousand, four hundred one".

Divisors: 1 13 19 247 15607783 202901179 296547877 3855122401