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1290081700380 = 2235117326776291
BaseRepresentation
bin10010110001011110110…
…111001000101000011100
311120022221000022121221210
4102301132313020220130
5132114041403403010
62424353320024420
7162130266344064
oct22613667105034
94508830277853
101290081700380
1145813653a960
1218a039902110
13948673142b5
14466242123a4
1523858304b20
hex12c5edc8a1c

1290081700380 has 96 divisors (see below), whose sum is σ = 3994594345728. Its totient is φ = 308462860800.

The previous prime is 1290081700361. The next prime is 1290081700403. The reversal of 1290081700380 is 830071800921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13339966 + ... + 13436325.

It is an arithmetic number, because the mean of its divisors is an integer number (41610357768).

Almost surely, 21290081700380 is an apocalyptic number.

1290081700380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1290081700380 is an abundant number, since it is smaller than the sum of its proper divisors (2704512645348).

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

1290081700380 is a wasteful number, since it uses less digits than its factorization.

1290081700380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26776387 (or 26776385 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 1290081700380 in words is "one trillion, two hundred ninety billion, eighty-one million, seven hundred thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 73 110 132 146 165 219 220 292 330 365 438 660 730 803 876 1095 1460 1606 2190 2409 3212 4015 4380 4818 8030 9636 12045 16060 24090 48180 26776291 53552582 80328873 107105164 133881455 160657746 267762910 294539201 321315492 401644365 535525820 589078402 803288730 883617603 1178156804 1472696005 1606577460 1767235206 1954669243 2945392010 3534470412 3909338486 4418088015 5864007729 5890784020 7818676972 8836176030 9773346215 11728015458 17672352060 19546692430 21501361673 23456030916 29320038645 39093384860 43002723346 58640077290 64504085019 86005446692 107506808365 117280154580 129008170038 215013616730 258016340076 322520425095 430027233460 645040850190 1290081700380