Search a number
-
+
1120156030 = 25729551801
BaseRepresentation
bin100001011000100…
…0011100101111110
32220001202211012101
41002301003211332
54243224443110
6303052455314
736521112010
oct10261034576
92801684171
101120156030
11525331894
1227317a53a
1314b0ba126
14a8aa81b0
156851813a
hex42c4397e

1120156030 has 32 divisors (see below), whose sum is σ = 2383784640. Its totient is φ = 370809600.

The previous prime is 1120156021. The next prime is 1120156031. The reversal of 1120156030 is 306510211.

It is a junction number, because it is equal to n+sod(n) for n = 1120155989 and 1120156007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120156031) 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, 273871 + ... + 277930.

It is an arithmetic number, because the mean of its divisors is an integer number (74493270).

Almost surely, 21120156030 is an apocalyptic number.

1120156030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120156030 is an abundant number, since it is smaller than the sum of its proper divisors (1263628610).

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

1120156030 is a wasteful number, since it uses less digits than its factorization.

1120156030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551844.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1120156030 is about 33468.7321241782. The cubic root of 1120156030 is about 1038.5470434199.

Adding to 1120156030 its reverse (306510211), we get a palindrome (1426666241).

The spelling of 1120156030 in words is "one billion, one hundred twenty million, one hundred fifty-six thousand, thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 551801 1103602 2759005 3862607 5518010 7725214 16002229 19313035 32004458 38626070 80011145 112015603 160022290 224031206 560078015 1120156030