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11111030103020 = 2251741797060983
BaseRepresentation
bin1010000110101111110100…
…0000001001101111101100
31110100012111210101022101012
42201223331000021233230
52424020342201244040
635344200424004352
72224513453402511
oct241537500115754
943305453338335
1011111030103020
1135a4185913731
1212b54856006b8
136279c516ac73
142a5ac34a1308
15144053e2c865
hexa1afd009bec

11111030103020 has 48 divisors (see below), whose sum is σ = 25308280363968. Its totient is φ = 4080952227840.

The previous prime is 11111030103011. The next prime is 11111030103031. The reversal of 11111030103020 is 2030103011111.

Adding to 11111030103020 its reverse (2030103011111), we get a palindrome (13141133114131).

It is a happy number.

11111030103020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11111030102986 and 11111030103004.

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, 398516552 + ... + 398544431.

It is an arithmetic number, because the mean of its divisors is an integer number (527255840916).

Almost surely, 211111030103020 is an apocalyptic number.

11111030103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111030103020 is an abundant number, since it is smaller than the sum of its proper divisors (14197250260948).

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

11111030103020 is a wasteful number, since it uses less digits than its factorization.

11111030103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797061050 (or 797061048 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 11111030103020 in words is "eleven trillion, one hundred eleven billion, thirty million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 41 68 82 85 164 170 205 340 410 697 820 1394 2788 3485 6970 13940 797060983 1594121966 3188243932 3985304915 7970609830 13550036711 15941219660 27100073422 32679500303 54200146844 65359000606 67750183555 130718001212 135500367110 163397501515 271000734220 326795003030 555551505151 653590006060 1111103010302 2222206020604 2777757525755 5555515051510 11111030103020