Search a number
-
+
121000122211010 = 25719197461814901
BaseRepresentation
bin11011100000110010001001…
…010011010101101011000010
3120212102111110120011102102012
4123200302021103111223002
5111324431222241223020
61105202404434452522
734325653553543420
oct3340621123255302
9525374416142365
10121000122211010
1135610955581039
12116a2774134142
135269354b14903
1421c461980a110
15dec7569ac7c5
hex6e0c894d5ac2

121000122211010 has 64 divisors (see below), whose sum is σ = 263345329716480. Its totient is φ = 39102791212800.

The previous prime is 121000122210977. The next prime is 121000122211037. The reversal of 121000122211010 is 10112221000121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 230645441 + ... + 231169460.

It is an arithmetic number, because the mean of its divisors is an integer number (4114770776820).

Almost surely, 2121000122211010 is an apocalyptic number.

121000122211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000122211010 is an abundant number, since it is smaller than the sum of its proper divisors (142345207505470).

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

121000122211010 is a wasteful number, since it uses less digits than its factorization.

121000122211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461815131.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121000122211010 its reverse (10112221000121), we get a palindrome (131112343211131).

The spelling of 121000122211010 in words is "one hundred twenty-one trillion, one hundred twenty-two million, two hundred eleven thousand, ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 197 266 394 665 985 1330 1379 1970 2758 3743 6895 7486 13790 18715 26201 37430 52402 131005 262010 461814901 923629802 2309074505 3232704307 4618149010 6465408614 8774483119 16163521535 17548966238 32327043070 43872415595 61421381833 87744831190 90977535497 122842763666 181955070994 307106909165 454887677485 614213818330 636842748479 909775354970 1273685496958 1728573174443 3184213742395 3457146348886 6368427484790 8642865872215 12100012221101 17285731744430 24200024442202 60500061105505 121000122211010