Search a number
-
+
10215052420351 = 10399175266217
BaseRepresentation
bin1001010010100110000010…
…0100100010010011111111
31100011112211120022010012211
42110221200210202103333
52314330411404422401
633420421424441251
72103004343635612
oct224514044422377
940145746263184
1010215052420351
1132891a7870439
12118b8b4479227
13591376b186ac
142745a839c179
1512aab4ad3951
hex94a609224ff

10215052420351 has 4 divisors (see below), whose sum is σ = 10314227686672. Its totient is φ = 10115877154032.

The previous prime is 10215052420319. The next prime is 10215052420379. The reversal of 10215052420351 is 15302425051201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10215052420351 - 25 = 10215052420319 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 (10215052420301) 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, 49587633006 + ... + 49587633211.

It is an arithmetic number, because the mean of its divisors is an integer number (2578556921668).

Almost surely, 210215052420351 is an apocalyptic number.

10215052420351 is a deficient number, since it is larger than the sum of its proper divisors (99175266321).

10215052420351 is an equidigital number, since it uses as much as digits as its factorization.

10215052420351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99175266320.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 10215052420351 its reverse (15302425051201), we get a palindrome (25517477471552).

The spelling of 10215052420351 in words is "ten trillion, two hundred fifteen billion, fifty-two million, four hundred twenty thousand, three hundred fifty-one".

Divisors: 1 103 99175266217 10215052420351