Search a number
-
+
93474392081 = 713353484583
BaseRepresentation
bin101011100001110000…
…0100000100000010001
322221021101120010001112
41113003200200200101
53012413421021311
6110535212343105
76516245136350
oct1270340404021
9287241503045
1093474392081
1136707948304
1216148474a95
138a78893a95
14474a511997
1526713cb28b
hex15c3820811

93474392081 has 4 divisors (see below), whose sum is σ = 106827876672. Its totient is φ = 80120907492.

The previous prime is 93474392057. The next prime is 93474392107. The reversal of 93474392081 is 18029347439.

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 93474392081 - 226 = 93407283217 is a prime.

It is a super-2 number, since 2×934743920812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93474392041) 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, 6676742285 + ... + 6676742298.

It is an arithmetic number, because the mean of its divisors is an integer number (26706969168).

Almost surely, 293474392081 is an apocalyptic number.

It is an amenable number.

93474392081 is a deficient number, since it is larger than the sum of its proper divisors (13353484591).

93474392081 is a wasteful number, since it uses less digits than its factorization.

93474392081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353484590.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 93474392081 in words is "ninety-three billion, four hundred seventy-four million, three hundred ninety-two thousand, eighty-one".

Divisors: 1 7 13353484583 93474392081