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1390763378501 = 7449442495507
BaseRepresentation
bin10100001111001111111…
…101010000011101000101
311220221210200122210210022
4110033033331100131011
5140241240411103001
62542524033504525
7202323261444260
oct24171775203505
94827720583708
101390763378501
11496901740902
121a5657a12145
13a11c1119773
144b4559dbcd7
152629c2e311b
hex143cff50745

1390763378501 has 8 divisors (see below), whose sum is σ = 1592983828800. Its totient is φ = 1189427920128.

The previous prime is 1390763378461. The next prime is 1390763378509. The reversal of 1390763378501 is 1058733670931.

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

It is not a de Polignac number, because 1390763378501 - 26 = 1390763378437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390763378509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221244611 + ... + 221250896.

It is an arithmetic number, because the mean of its divisors is an integer number (199122978600).

Almost surely, 21390763378501 is an apocalyptic number.

It is an amenable number.

1390763378501 is a deficient number, since it is larger than the sum of its proper divisors (202220450299).

1390763378501 is an equidigital number, since it uses as much as digits as its factorization.

1390763378501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442495963.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 1390763378501 in words is "one trillion, three hundred ninety billion, seven hundred sixty-three million, three hundred seventy-eight thousand, five hundred one".

Divisors: 1 7 449 3143 442495507 3097468549 198680482643 1390763378501