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123411422312 = 2315426427789
BaseRepresentation
bin111001011101111100…
…1001101110001101000
3102210112202100211010222
41302323321031301220
54010221311003222
6132405555025212
711626151532023
oct1627371156150
9383482324128
10123411422312
114837a592202
121bb0229b208
13b839bac259
145d8a4481ba
153324717542
hex1cbbe4dc68

123411422312 has 8 divisors (see below), whose sum is σ = 231396416850. Its totient is φ = 61705711152.

The previous prime is 123411422287. The next prime is 123411422363. The reversal of 123411422312 is 213224114321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77848812196 + 45562610116 = 279014^2 + 213454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1234114223122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7713213887 + ... + 7713213902.

Almost surely, 2123411422312 is an apocalyptic number.

It is an amenable number.

123411422312 is a deficient number, since it is larger than the sum of its proper divisors (107984994538).

123411422312 is a wasteful number, since it uses less digits than its factorization.

123411422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15426427795 (or 15426427791 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 123411422312 its reverse (213224114321), we get a palindrome (336635536633).

The spelling of 123411422312 in words is "one hundred twenty-three billion, four hundred eleven million, four hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 15426427789 30852855578 61705711156 123411422312