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3720781342 = 27923549249
BaseRepresentation
bin1101110111000110…
…1001111000011110
3100121022022021110101
43131301221320132
530110010000332
61413113131314
7161130056005
oct33561517036
910538267411
103720781342
11163a314103
1287a0b9b3a
13473b1b885
1427422dc3c
1516b9bdae7
hexddc69e1e

3720781342 has 8 divisors (see below), whose sum is σ = 5651820000. Its totient is φ = 1836841344.

The previous prime is 3720781303. The next prime is 3720781349. The reversal of 3720781342 is 2431870273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720781349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11774467 + ... + 11774782.

It is an arithmetic number, because the mean of its divisors is an integer number (706477500).

Almost surely, 23720781342 is an apocalyptic number.

3720781342 is a deficient number, since it is larger than the sum of its proper divisors (1931038658).

3720781342 is a wasteful number, since it uses less digits than its factorization.

3720781342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23549330.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 3720781342 is about 60998.2076949807. The cubic root of 3720781342 is about 1549.5706534728.

The spelling of 3720781342 in words is "three billion, seven hundred twenty million, seven hundred eighty-one thousand, three hundred forty-two".

Divisors: 1 2 79 158 23549249 47098498 1860390671 3720781342