Search a number
-
+
1420568401357 = 77971318719309
BaseRepresentation
bin10100101011000000011…
…110011001010111001101
312000210201212001211210201
4110223000132121113031
5141233311002320412
63004333342533501
7204430003115530
oct24530036312715
95023655054721
101420568401357
114a85069126a6
121ab395597291
13a3c60c95871
144ca821b0a17
1526e43c55e57
hex14ac07995cd

1420568401357 has 16 divisors (see below), whose sum is σ = 1625751227520. Its totient is φ = 1215947095488.

The previous prime is 1420568401331. The next prime is 1420568401361. The reversal of 1420568401357 is 7531048650241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420568401357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420568401387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73560619 + ... + 73579927.

It is an arithmetic number, because the mean of its divisors is an integer number (101609451720).

Almost surely, 21420568401357 is an apocalyptic number.

It is an amenable number.

1420568401357 is a deficient number, since it is larger than the sum of its proper divisors (205182826163).

1420568401357 is a wasteful number, since it uses less digits than its factorization.

1420568401357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33300.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 1420568401357 in words is "one trillion, four hundred twenty billion, five hundred sixty-eight million, four hundred one thousand, three hundred fifty-seven".

Divisors: 1 7 797 5579 13187 19309 92309 135163 10510039 15389273 73570273 107724911 254627783 1782394481 202938343051 1420568401357