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1103100030 = 232517968473
BaseRepresentation
bin100000110111111…
…1111100001111110
32211212200021202200
41001233333201332
54224343200110
6301243132330
736223124034
oct10157774176
92755607680
101103100030
1151674241a
122695140a6
131476c7a16
14a6708554
1566c996c0
hex41bff87e

1103100030 has 48 divisors (see below), whose sum is σ = 2884124880. Its totient is φ = 292512384.

The previous prime is 1103099983. The next prime is 1103100101. The reversal of 1103100030 is 300013011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1103099985 and 1103100021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18127 + ... + 50346.

It is an arithmetic number, because the mean of its divisors is an integer number (60085935).

Almost surely, 21103100030 is an apocalyptic number.

1103100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103100030 is an abundant number, since it is smaller than the sum of its proper divisors (1781024850).

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

1103100030 is a wasteful number, since it uses less digits than its factorization.

1103100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68665 (or 68662 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1103100030 is about 33212.9497335000. The cubic root of 1103100030 is about 1033.2489329840.

Adding to 1103100030 its reverse (300013011), we get a palindrome (1403113041).

The spelling of 1103100030 in words is "one billion, one hundred three million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 179 358 537 895 1074 1611 1790 2685 3222 5370 8055 16110 68473 136946 205419 342365 410838 616257 684730 1027095 1232514 2054190 3081285 6162570 12256667 24513334 36770001 61283335 73540002 110310003 122566670 183850005 220620006 367700010 551550015 1103100030