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13402021030 = 257331182813
BaseRepresentation
bin11000111101101001…
…01001110010100110
31021121000021012122021
430132310221302212
5204421404133110
610053511453354
7653054204416
oct143664516246
937530235567
1013402021030
115758100842
12272038725a
131357770178
14911cd8646
155368b42da
hex31ed29ca6

13402021030 has 16 divisors (see below), whose sum is σ = 24127060464. Its totient is φ = 5360047840.

The previous prime is 13402021021. The next prime is 13402021037. The reversal of 13402021030 is 3012020431.

It is a happy number.

It is a super-2 number, since 2×134020210302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13402020995 and 13402021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402021037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18097 + ... + 164716.

It is an arithmetic number, because the mean of its divisors is an integer number (1507941279).

Almost surely, 213402021030 is an apocalyptic number.

13402021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13402021030 is a deficient number, since it is larger than the sum of its proper divisors (10725039434).

13402021030 is a wasteful number, since it uses less digits than its factorization.

13402021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190151.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13402021030 its reverse (3012020431), we get a palindrome (16414041461).

The spelling of 13402021030 in words is "thirteen billion, four hundred two million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 7331 14662 36655 73310 182813 365626 914065 1828130 1340202103 2680404206 6701010515 13402021030