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123040331152 = 247690020697
BaseRepresentation
bin111001010010111000…
…1100111010110010000
3102202120220002102202221
41302211301213112100
54003441311044102
6132305101150424
711614024362424
oct1624561472620
9382526072687
10123040331152
11481aa0719a2
121ba19b5b414
13b7ab05009b
145d5304ab84
153301d64637
hex1ca5c67590

123040331152 has 10 divisors (see below), whose sum is σ = 238390641638. Its totient is φ = 61520165568.

The previous prime is 123040331147. The next prime is 123040331153. The reversal of 123040331152 is 251133040321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 120536729856 + 2503601296 = 347184^2 + 50036^2 .

It is not an unprimeable number, because it can be changed into a prime (123040331153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845010333 + ... + 3845010364.

Almost surely, 2123040331152 is an apocalyptic number.

It is an amenable number.

123040331152 is a deficient number, since it is larger than the sum of its proper divisors (115350310486).

123040331152 is an equidigital number, since it uses as much as digits as its factorization.

123040331152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690020705 (or 7690020699 counting only the distinct ones).

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

Adding to 123040331152 its reverse (251133040321), we get a palindrome (374173371473).

The spelling of 123040331152 in words is "one hundred twenty-three billion, forty million, three hundred thirty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 7690020697 15380041394 30760082788 61520165576 123040331152