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38426803210421 = 71875346709783
BaseRepresentation
bin10001011110010111011111…
…11101001000100010110101
312001001120021222121200211022
420233023233331020202311
520014041043110213141
6213421010225150525
711044150002006203
oct1057135775104265
9161046258550738
1038426803210421
111127579669a35a
12438745678b445
13185982a650362
1496bc1d846073
15469881799b4b
hex22f2eff488b5

38426803210421 has 4 divisors (see below), whose sum is σ = 38432149927392. Its totient is φ = 38421456493452.

The previous prime is 38426803210409. The next prime is 38426803210457. The reversal of 38426803210421 is 12401230862483.

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 38426803210421 - 226 = 38426736101557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38426803210021) 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, 2673347705 + ... + 2673362078.

It is an arithmetic number, because the mean of its divisors is an integer number (9608037481848).

Almost surely, 238426803210421 is an apocalyptic number.

It is an amenable number.

38426803210421 is a deficient number, since it is larger than the sum of its proper divisors (5346716971).

38426803210421 is an equidigital number, since it uses as much as digits as its factorization.

38426803210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346716970.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 38426803210421 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred three million, two hundred ten thousand, four hundred twenty-one".

Divisors: 1 7187 5346709783 38426803210421