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1013230232251 = 4912833728417
BaseRepresentation
bin11101011111010010011…
…10100110001010111011
310120212022202102212012221
432233221032212022323
5113100043414413001
62053245504144511
7133126534604506
oct16575116461273
93525282385187
101013230232251
11360788062236
12144454908137
137471627b433
143707d5c413d
151b552ee51a1
hexebe93a62bb

1013230232251 has 8 divisors (see below), whose sum is σ = 1015653613104. Its totient is φ = 1010808314880.

The previous prime is 1013230232233. The next prime is 1013230232291. The reversal of 1013230232251 is 1522320323101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013230232251 - 223 = 1013221843643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013230232291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026795 + ... + 1755211.

It is an arithmetic number, because the mean of its divisors is an integer number (126956701638).

Almost surely, 21013230232251 is an apocalyptic number.

1013230232251 is a deficient number, since it is larger than the sum of its proper divisors (2423380853).

1013230232251 is an equidigital number, since it uses as much as digits as its factorization.

1013230232251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731741.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1013230232251 its reverse (1522320323101), we get a palindrome (2535550555352).

The spelling of 1013230232251 in words is "one trillion, thirteen billion, two hundred thirty million, two hundred thirty-two thousand, two hundred fifty-one".

Divisors: 1 491 2833 728417 1391003 357652747 2063605361 1013230232251