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390420285307 = 1324749152749
BaseRepresentation
bin1011010111001101101…
…11001100011101111011
31101022202001122102220221
411223212313030131323
522344040043112212
6455205005400511
740130656445443
oct5534667143573
91338661572827
10390420285307
11140638088a18
12637bab69137
132aa7ca45700
1414c79ba5123
15a2508a9807
hex5ae6dcc77b

390420285307 has 12 divisors (see below), whose sum is σ = 431757756000. Its totient is φ = 352720119648.

The previous prime is 390420285301. The next prime is 390420285313. The reversal of 390420285307 is 703582024093.

It is an interprime number because it is at equal distance from previous prime (390420285301) and next prime (390420285313).

It is a de Polignac number, because none of the positive numbers 2k-390420285307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390420285301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24568432 + ... + 24584317.

It is an arithmetic number, because the mean of its divisors is an integer number (35979813000).

Almost surely, 2390420285307 is an apocalyptic number.

390420285307 is a deficient number, since it is larger than the sum of its proper divisors (41337470693).

390420285307 is a wasteful number, since it uses less digits than its factorization.

390420285307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49152822 (or 49152809 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 390420285307 in words is "three hundred ninety billion, four hundred twenty million, two hundred eighty-five thousand, three hundred seven".

Divisors: 1 13 47 169 611 7943 49152749 638985737 2310179203 8306814581 30032329639 390420285307