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123213011010 = 2354107100367
BaseRepresentation
bin111001011000000010…
…0010101100001000010
3102210000221000111000020
41302300010111201002
54004320012323020
6132334150234310
711621222212305
oct1626004254102
9383027014006
10123213011010
1148288594921
121ba67955996
13b807a6010b
145d6bd5ab3c
1533120c3c40
hex1cb0115842

123213011010 has 16 divisors (see below), whose sum is σ = 295711226496. Its totient is φ = 32856802928.

The previous prime is 123213010997. The next prime is 123213011039. The reversal of 123213011010 is 10110312321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053550154 + ... + 2053550213.

It is an arithmetic number, because the mean of its divisors is an integer number (18481951656).

Almost surely, 2123213011010 is an apocalyptic number.

123213011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123213011010 is an abundant number, since it is smaller than the sum of its proper divisors (172498215486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123213011010 is a wasteful number, since it uses less digits than its factorization.

123213011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107100377.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123213011010 its reverse (10110312321), we get a palindrome (133323323331).

The spelling of 123213011010 in words is "one hundred twenty-three billion, two hundred thirteen million, eleven thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 4107100367 8214200734 12321301101 20535501835 24642602202 41071003670 61606505505 123213011010