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1021114298880 = 29325134379283
BaseRepresentation
bin11101101101111110010…
…01111011001000000000
310121121200012200221102200
432312333021323020000
5113212220230031010
62101032103113200
7133526110221504
oct16667711731000
93547605627380
101021114298880
11364063446185
12145a95142800
13753a178c610
14375ca710304
151b86523ecc0
hexedbf27b200

1021114298880 has 480 divisors, whose sum is σ = 3897054697536. Its totient is φ = 245502738432.

The previous prime is 1021114298873. The next prime is 1021114298921. The reversal of 1021114298880 is 888924111201.

It is a happy number.

1021114298880 is a `hidden beast` number, since 1 + 0 + 211 + 1 + 429 + 8 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×10211142988802 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12839719 + ... + 12919001.

Almost surely, 21021114298880 is an apocalyptic number.

1021114298880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021114298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948527348768).

1021114298880 is an abundant number, since it is smaller than the sum of its proper divisors (2875940398656).

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

1021114298880 is a wasteful number, since it uses less digits than its factorization.

1021114298880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79368 (or 79349 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The spelling of 1021114298880 in words is "one trillion, twenty-one billion, one hundred fourteen million, two hundred ninety-eight thousand, eight hundred eighty".