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1020131255352 = 233117723500341
BaseRepresentation
bin11101101100001001000…
…11111010010000111000
310121112010200221011020010
432312010203322100320
5113203212100132402
62100350345101520
7133462542412416
oct16660443722070
93545120834203
101020131255352
113636a9554010
1214585ba878a0
1375275c0b461
1437535d382b6
151b808caca6c
hexed848fa438

1020131255352 has 64 divisors (see below), whose sum is σ = 2782541957760. Its totient is φ = 309090038400.

The previous prime is 1020131255327. The next prime is 1020131255417. The reversal of 1020131255352 is 2535521310201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1788702 + ... + 2289042.

It is an arithmetic number, because the mean of its divisors is an integer number (43477218090).

Almost surely, 21020131255352 is an apocalyptic number.

1020131255352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020131255352 is an abundant number, since it is smaller than the sum of its proper divisors (1762410702408).

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

1020131255352 is a wasteful number, since it uses less digits than its factorization.

1020131255352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508084 (or 508080 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1020131255352 its reverse (2535521310201), we get a palindrome (3555652565553).

The spelling of 1020131255352 in words is "one trillion, twenty billion, one hundred thirty-one million, two hundred fifty-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 7723 15446 23169 30892 46338 61784 84953 92676 169906 185352 254859 339812 500341 509718 679624 1000682 1019436 1501023 2001364 2038872 3002046 4002728 5503751 6004092 11007502 12008184 16511253 22015004 33022506 44030008 66045012 132090024 3864133543 7728267086 11592400629 15456534172 23184801258 30913068344 42505468973 46369602516 85010937946 92739205032 127516406919 170021875892 255032813838 340043751784 510065627676 1020131255352