Search a number
-
+
2212401011420 = 225163678650617
BaseRepresentation
bin100000001100011101011…
…000000101101011011100
321211111121000211012001202
4200030131120011223130
5242221444124331140
64412210223455032
7315561234212225
oct40143530055334
97744530735052
102212401011420
1178330176a456
122b8940757478
13130822b21b12
147911b93824c
153c839ed5915
hex2031d605adc

2212401011420 has 24 divisors (see below), whose sum is σ = 4674545456784. Its totient is φ = 879531198336.

The previous prime is 2212401011419. The next prime is 2212401011477. The reversal of 2212401011420 is 241101042122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2212401011392 and 2212401011401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339322049 + ... + 339328568.

It is an arithmetic number, because the mean of its divisors is an integer number (194772727366).

Almost surely, 22212401011420 is an apocalyptic number.

2212401011420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212401011420 is an abundant number, since it is smaller than the sum of its proper divisors (2462144445364).

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

2212401011420 is a wasteful number, since it uses less digits than its factorization.

2212401011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678650789 (or 678650787 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212401011420 its reverse (241101042122), we get a palindrome (2453502053542).

The spelling of 2212401011420 in words is "two trillion, two hundred twelve billion, four hundred one million, eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 678650617 1357301234 2714602468 3393253085 6786506170 13573012340 110620050571 221240101142 442480202284 553100252855 1106200505710 2212401011420