Search a number
-
+
1945392799059 = 321671297997949
BaseRepresentation
bin11100010011110010011…
…100100101110101010011
320212222101202202121210100
4130103302130211311103
5223333131024032214
64045411235103443
7260356434645423
oct34236234456523
96788352677710
101945392799059
11690044578556
12275044141b83
131115b0155858
146a22c30a483
153590de21309
hex1c4f2725d53

1945392799059 has 24 divisors (see below), whose sum is σ = 2829020594400. Its totient is φ = 1288167245568.

The previous prime is 1945392799057. The next prime is 1945392799111. The reversal of 1945392799059 is 9509972935491.

1945392799059 is a `hidden beast` number, since 19 + 4 + 539 + 2 + 79 + 9 + 0 + 5 + 9 = 666.

It is not a de Polignac number, because 1945392799059 - 21 = 1945392799057 is a prime.

It is a super-2 number, since 2×19453927990592 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1945392799057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450417 + ... + 2448365.

It is an arithmetic number, because the mean of its divisors is an integer number (117875858100).

Almost surely, 21945392799059 is an apocalyptic number.

1945392799059 is a deficient number, since it is larger than the sum of its proper divisors (883627795341).

1945392799059 is a wasteful number, since it uses less digits than its factorization.

1945392799059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999419 (or 999416 counting only the distinct ones).

The product of its (nonzero) digits is 248005800, while the sum is 72.

The spelling of 1945392799059 in words is "one trillion, nine hundred forty-five billion, three hundred ninety-two million, seven hundred ninety-nine thousand, fifty-nine".

Divisors: 1 3 9 167 501 1297 1503 3891 11673 216599 649797 997949 1949391 2993847 8981541 166657483 499972449 1294339853 1499917347 3883019559 11649058677 216154755451 648464266353 1945392799059