Search a number
-
+
10121023232321 = 19152989650431
BaseRepresentation
bin1001001101000111101111…
…1111101001100101000001
31022211120010111210110012012
42103101323333221211001
52311310323421413241
633305311152542305
72063135251011311
oct223217377514501
938746114713165
1010121023232321
11325233583a791
121175632251995
135855403254b1
1426dc0830d441
1512840eb686eb
hex9347bfe9941

10121023232321 has 4 divisors (see below), whose sum is σ = 10174012882944. Its totient is φ = 10068033581700.

The previous prime is 10121023232137. The next prime is 10121023232347. The reversal of 10121023232321 is 12323232012101.

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 10121023232321 - 222 = 10121019038017 is a prime.

It is a super-2 number, since 2×101210232323212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10121023232371) 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, 26494825025 + ... + 26494825406.

It is an arithmetic number, because the mean of its divisors is an integer number (2543503220736).

Almost surely, 210121023232321 is an apocalyptic number.

It is an amenable number.

10121023232321 is a deficient number, since it is larger than the sum of its proper divisors (52989650623).

10121023232321 is an equidigital number, since it uses as much as digits as its factorization.

10121023232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52989650622.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10121023232321 its reverse (12323232012101), we get a palindrome (22444255244422).

The spelling of 10121023232321 in words is "ten trillion, one hundred twenty-one billion, twenty-three million, two hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 191 52989650431 10121023232321