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12407021372 = 223101755343
BaseRepresentation
bin10111000111000010…
…00001111100111100
31012000122222222201002
423203201001330330
5200402144140442
65411045305432
7616312640654
oct134341017474
935018888632
1012407021372
115297492879
1224a3105278
131229593c85
14859acd364
154c936e732
hex2e3841f3c

12407021372 has 6 divisors (see below), whose sum is σ = 21712287408. Its totient is φ = 6203510684.

The previous prime is 12407021351. The next prime is 12407021377. The reversal of 12407021372 is 27312070421.

12407021372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407021377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550877668 + ... + 1550877675.

It is an arithmetic number, because the mean of its divisors is an integer number (3618714568).

Almost surely, 212407021372 is an apocalyptic number.

It is an amenable number.

12407021372 is a deficient number, since it is larger than the sum of its proper divisors (9305266036).

12407021372 is a wasteful number, since it uses less digits than its factorization.

12407021372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101755347 (or 3101755345 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 12407021372 its reverse (27312070421), we get a palindrome (39719091793).

The spelling of 12407021372 in words is "twelve billion, four hundred seven million, twenty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 3101755343 6203510686 12407021372