Search a number
-
+
93720276863381 = 713388610980483
BaseRepresentation
bin10101010011110011110011…
…110011111000100110010101
3110021211120102020100100001102
4111103303303303320212111
544241003111334112011
6531154300102035445
725512031554200240
oct2523636363704625
9407746366310042
1093720276863381
1127953601009063
12a61774b118b85
13403aa26b1bc7c
14192012ac76257
15ac7d2d38273b
hex553cf3cf8995

93720276863381 has 4 divisors (see below), whose sum is σ = 107108887843872. Its totient is φ = 80331665882892.

The previous prime is 93720276863377. The next prime is 93720276863459. The reversal of 93720276863381 is 18336867202739.

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 93720276863381 - 22 = 93720276863377 is a prime.

It is a super-2 number, since 2×937202768633812 (a number of 29 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 (93720276863371) 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, 6694305490235 + ... + 6694305490248.

It is an arithmetic number, because the mean of its divisors is an integer number (26777221960968).

Almost surely, 293720276863381 is an apocalyptic number.

It is an amenable number.

93720276863381 is a deficient number, since it is larger than the sum of its proper divisors (13388610980491).

93720276863381 is a wasteful number, since it uses less digits than its factorization.

93720276863381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388610980490.

The product of its (nonzero) digits is 109734912, while the sum is 65.

The spelling of 93720276863381 in words is "ninety-three trillion, seven hundred twenty billion, two hundred seventy-six million, eight hundred sixty-three thousand, three hundred eighty-one".

Divisors: 1 7 13388610980483 93720276863381