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1103420101020 = 223525173268267
BaseRepresentation
bin10000000011101000111…
…101101001000110011100
310220111010020120220022220
4100003220331221012130
5121034301021213040
62202523150105340
7142501531051356
oct20035075510634
93814106526286
101103420101020
11395a59976566
12159a251ab250
138008a51b4a3
143b5977c80d6
151da80d792d0
hex100e8f6919c

1103420101020 has 48 divisors (see below), whose sum is σ = 3101885394048. Its totient is φ = 293073064000.

The previous prime is 1103420101013. The next prime is 1103420101027. The reversal of 1103420101020 is 201010243011.

It is an interprime number because it is at equal distance from previous prime (1103420101013) and next prime (1103420101027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103420101027) 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, 36619074 + ... + 36649193.

It is an arithmetic number, because the mean of its divisors is an integer number (64622612376).

Almost surely, 21103420101020 is an apocalyptic number.

1103420101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103420101020 is an abundant number, since it is smaller than the sum of its proper divisors (1998465293028).

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

1103420101020 is a wasteful number, since it uses less digits than its factorization.

1103420101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73268530 (or 73268528 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1103420101020 its reverse (201010243011), we get a palindrome (1304430344031).

The spelling of 1103420101020 in words is "one trillion, one hundred three billion, four hundred twenty million, one hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 251 502 753 1004 1255 1506 2510 3012 3765 5020 7530 15060 73268267 146536534 219804801 293073068 366341335 439609602 732682670 879219204 1099024005 1465365340 2198048010 4396096020 18390335017 36780670034 55171005051 73561340068 91951675085 110342010102 183903350170 220684020204 275855025255 367806700340 551710050510 1103420101020