Search a number
-
+
10111021112031 = 37521924140491
BaseRepresentation
bin1001001100100010011111…
…0100100101101011011111
31022210121022110001002120120
42103020213310211223133
52311124332401041111
633300534452450023
72062332346255620
oct223104764455337
938717273032516
1010111021112031
113249072907774
121173700619913
13584608074c18
1426d539b97a47
151280269dc406
hex93227d25adf

10111021112031 has 16 divisors (see below), whose sum is σ = 15436842778368. Its totient is φ = 5766636657600.

The previous prime is 10111021112009. The next prime is 10111021112063. The reversal of 10111021112031 is 13021112011101.

It is not a de Polignac number, because 10111021112031 - 213 = 10111021103839 is a prime.

It is a super-2 number, since 2×101110211120312 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10111021112031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111021112831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462059305 + ... + 462081186.

It is an arithmetic number, because the mean of its divisors is an integer number (964802673648).

Almost surely, 210111021112031 is an apocalyptic number.

10111021112031 is a deficient number, since it is larger than the sum of its proper divisors (5325821666337).

10111021112031 is an equidigital number, since it uses as much as digits as its factorization.

10111021112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924141022.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 10111021112031 its reverse (13021112011101), we get a palindrome (23132133123132).

The spelling of 10111021112031 in words is "ten trillion, one hundred eleven billion, twenty-one million, one hundred twelve thousand, thirty-one".

Divisors: 1 3 7 21 521 1563 3647 10941 924140491 2772421473 6468983437 19406950311 481477195811 1444431587433 3370340370677 10111021112031