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1013121030 = 235149226649
BaseRepresentation
bin111100011000110…
…000000000000110
32121121100212210010
4330120300000012
54033324333110
6244310411050
734051246425
oct7430600006
92547325703
101013121030
1147a975909
12243360a86
13131b824cc
14987a52bc
155de24020
hex3c630006

1013121030 has 32 divisors (see below), whose sum is σ = 2447820000. Its totient is φ = 268351232.

The previous prime is 1013121019. The next prime is 1013121041. The reversal of 1013121030 is 301213101.

It is an interprime number because it is at equal distance from previous prime (1013121019) and next prime (1013121041).

It is a junction number, because it is equal to n+sod(n) for n = 1013120997 and 1013121015.

It is a congruent number.

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, 108855 + ... + 117794.

It is an arithmetic number, because the mean of its divisors is an integer number (76494375).

Almost surely, 21013121030 is an apocalyptic number.

1013121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013121030 is an abundant number, since it is smaller than the sum of its proper divisors (1434698970).

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

1013121030 is a wasteful number, since it uses less digits than its factorization.

1013121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226808.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1013121030 is about 31829.5622024558. The cubic root of 1013121030 is about 1004.3546858514.

Adding to 1013121030 its reverse (301213101), we get a palindrome (1314334131).

The spelling of 1013121030 in words is "one billion, thirteen million, one hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 4470 226649 453298 679947 1133245 1359894 2266490 3399735 6799470 33770701 67541402 101312103 168853505 202624206 337707010 506560515 1013121030