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10310022111220 = 2251339653931197
BaseRepresentation
bin1001011000000111110100…
…1101001001111111110100
31100111121222011112021120221
42112001331031021333310
52322404411130024340
633532205254504124
72112605646663046
oct226017515117764
940447864467527
1010310022111220
113315501777867
1211a6199665044
1359a300416950
1427901730ba96
1512d2c23cb44a
hex9607d349ff4

10310022111220 has 24 divisors (see below), whose sum is σ = 23316511544424. Its totient is φ = 3806777394816.

The previous prime is 10310022111217. The next prime is 10310022111227. The reversal of 10310022111220 is 2211122001301.

It can be written as a sum of positive squares in 4 ways, for example, as 578442386916 + 9731579724304 = 760554^2 + 3119548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10310022111194 and 10310022111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10310022111227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19826965339 + ... + 19826965858.

It is an arithmetic number, because the mean of its divisors is an integer number (971521314351).

Almost surely, 210310022111220 is an apocalyptic number.

10310022111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10310022111220 is an abundant number, since it is smaller than the sum of its proper divisors (13006489433204).

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

10310022111220 is a wasteful number, since it uses less digits than its factorization.

10310022111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39653931219 (or 39653931217 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10310022111220 its reverse (2211122001301), we get a palindrome (12521144112521).

The spelling of 10310022111220 in words is "ten trillion, three hundred ten billion, twenty-two million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 39653931197 79307862394 158615724788 198269655985 396539311970 515501105561 793078623940 1031002211122 2062004422244 2577505527805 5155011055610 10310022111220