Search a number
-
+
10201211012020 = 2257349208784507
BaseRepresentation
bin1001010001110010011110…
…0011110000001110110100
31100010020002221020201111211
42110130213203300032310
52314114040004341040
633410212135211204
72102004342622510
oct224344743601664
940106087221454
1010201211012020
1132833447424a6
121189090b16b04
1358cc7c326252
14273a53da9140
1512a55487a8ea
hex947278f03b4

10201211012020 has 48 divisors (see below), whose sum is σ = 24553058140800. Its totient is φ = 3487536388224.

The previous prime is 10201211011997. The next prime is 10201211012053. The reversal of 10201211012020 is 2021011210201.

It is a super-2 number, since 2×102012110120202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104343394 + ... + 104441113.

It is an arithmetic number, because the mean of its divisors is an integer number (511522044600).

Almost surely, 210201211012020 is an apocalyptic number.

10201211012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201211012020 is an abundant number, since it is smaller than the sum of its proper divisors (14351847128780).

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

10201211012020 is a wasteful number, since it uses less digits than its factorization.

10201211012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208784872 (or 208784870 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10201211012020 its reverse (2021011210201), we get a palindrome (12222222222221).

The spelling of 10201211012020 in words is "ten trillion, two hundred one billion, two hundred eleven million, twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 349 698 1396 1745 2443 3490 4886 6980 9772 12215 24430 48860 208784507 417569014 835138028 1043922535 1461491549 2087845070 2922983098 4175690140 5845966196 7307457745 14614915490 29229830980 72865792943 145731585886 291463171772 364328964715 510060550601 728657929430 1020121101202 1457315858860 2040242202404 2550302753005 5100605506010 10201211012020