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13890190290432 = 2939043092637
BaseRepresentation
bin1100101000100000111111…
…0110111010111000000000
31211011220000020120201210020
43022020033312322320000
53310034102203243212
645313022035533440
72632350602254521
oct312101766727000
954156006521706
1013890190290432
1144758843365a5
12168401875a280
13799abacc1a41
14360408660848
151914b0892d8c
hexca20fdbae00

13890190290432 has 40 divisors (see below), whose sum is σ = 37004335074696. Its totient is φ = 4630063429632.

The previous prime is 13890190290413. The next prime is 13890190290437. The reversal of 13890190290432 is 23409209109831.

It is a super-2 number, since 2×138901902904322 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890190290437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521544783 + ... + 4521547854.

Almost surely, 213890190290432 is an apocalyptic number.

13890190290432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13890190290432 is an abundant number, since it is smaller than the sum of its proper divisors (23114144784264).

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

13890190290432 is an frugal number, since it uses more digits than its factorization.

13890190290432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043092658 (or 9043092642 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 13890190290432 in words is "thirteen trillion, eight hundred ninety billion, one hundred ninety million, two hundred ninety thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 9043092637 18086185274 27129277911 36172370548 54258555822 72344741096 108517111644 144689482192 217034223288 289378964384 434068446576 578757928768 868136893152 1157515857536 1736273786304 2315031715072 3472547572608 4630063430144 6945095145216 13890190290432