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1950934988351 = 311109123146099
BaseRepresentation
bin11100011000111100110…
…010010111011000111111
320220111201000101000020102
4130120330302113120333
5223431003324111401
64052125215311315
7260643662533616
oct34307462273077
96814630330212
101950934988351
11692428a38388
1227613021b53b
13111c8441b6bb
146a5d63c687d
1535b3577656b
hex1c63cc9763f

1950934988351 has 16 divisors (see below), whose sum is σ = 2017365504000. Its totient is φ = 1884725949600.

The previous prime is 1950934988281. The next prime is 1950934988357. The reversal of 1950934988351 is 1538894390591.

It is a cyclic number.

It is not a de Polignac number, because 1950934988351 - 218 = 1950934726207 is a prime.

It is a super-2 number, since 2×19509349883512 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950934988357) 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, 42297500 + ... + 42343598.

It is an arithmetic number, because the mean of its divisors is an integer number (126085344000).

Almost surely, 21950934988351 is an apocalyptic number.

1950934988351 is a deficient number, since it is larger than the sum of its proper divisors (66430515649).

1950934988351 is a wasteful number, since it uses less digits than its factorization.

1950934988351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48470.

The product of its (nonzero) digits is 41990400, while the sum is 65.

The spelling of 1950934988351 in words is "one trillion, nine hundred fifty billion, nine hundred thirty-four million, nine hundred eighty-eight thousand, three hundred fifty-one".

Divisors: 1 31 1109 1231 34379 38161 46099 1365179 1429069 42320549 51123791 56747869 1584837521 1759183939 62933386721 1950934988351