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123013033213 = 747379986543
BaseRepresentation
bin111001010010000100…
…1011110110011111101
3102202111222201120001011
41302210021132303331
54003412314030323
6132302244115221
711613243346540
oct1624411366375
9382458646034
10123013033213
1148195717614
121ba10995b11
13b7a54b2c65
145d4d582857
1532ee77120d
hex1ca425ecfd

123013033213 has 16 divisors (see below), whose sum is σ = 143956500480. Its totient is φ = 102923953776.

The previous prime is 123013033189. The next prime is 123013033219. The reversal of 123013033213 is 312330310321.

It is not a de Polignac number, because 123013033213 - 217 = 123012902141 is a prime.

It is a super-2 number, since 2×1230130332132 (a number of 23 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 (123013033219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368581 + ... + 617962.

It is an arithmetic number, because the mean of its divisors is an integer number (8997281280).

Almost surely, 2123013033213 is an apocalyptic number.

It is an amenable number.

123013033213 is a deficient number, since it is larger than the sum of its proper divisors (20943467267).

123013033213 is an equidigital number, since it uses as much as digits as its factorization.

123013033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986976.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123013033213 its reverse (312330310321), we get a palindrome (435343343534).

The spelling of 123013033213 in words is "one hundred twenty-three billion, thirteen million, thirty-three thousand, two hundred thirteen".

Divisors: 1 7 47 329 379 2653 17813 124691 986543 6905801 46367521 324572647 373899797 2617298579 17573290459 123013033213