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19769770014 = 2323297157409
BaseRepresentation
bin10010011010010111…
…101100000000011110
31220000210022101002020
4102122113230000132
5310442030120024
613025422441010
71266625162311
oct223227540036
956023271066
1019769770014
118425579905
1239b8a33166
131b30a97a87
14d578b4978
157aa93e979
hex49a5ec01e

19769770014 has 96 divisors (see below), whose sum is σ = 42128247840. Its totient is φ = 6183530496.

The previous prime is 19769769989. The next prime is 19769770019. The reversal of 19769770014 is 41007796791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19769770019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48336642 + ... + 48337050.

It is an arithmetic number, because the mean of its divisors is an integer number (438835915).

Almost surely, 219769770014 is an apocalyptic number.

19769770014 is an abundant number, since it is smaller than the sum of its proper divisors (22358477826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19769770014 is a wasteful number, since it uses less digits than its factorization.

19769770014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 51.

The spelling of 19769770014 in words is "nineteen billion, seven hundred sixty-nine million, seven hundred seventy thousand, fourteen".

Divisors: 1 2 3 6 23 46 69 97 138 157 194 291 314 409 471 529 582 818 942 1058 1227 1587 2231 2454 3174 3611 4462 6693 7222 9407 10833 13386 15229 18814 21666 28221 30458 39673 45687 51313 56442 64213 79346 83053 91374 102626 119019 128426 153939 166106 192639 216361 238038 249159 307878 350267 385278 432722 498318 649083 700534 912479 1050801 1298166 1476899 1824958 2101602 2737437 2953798 4430697 5474874 6228661 8056141 8861394 12457322 16112282 18685983 20987017 24168423 33968677 37371966 41974034 48336846 62961051 67937354 101906031 125922102 143259203 203812062 286518406 429777609 859555218 3294961669 6589923338 9884885007 19769770014