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210000113020 = 225139421179429
BaseRepresentation
bin1100001110010011111…
…0110110110101111100
3202002001021021001122201
43003210332312311330
511420040012104040
6240250035121244
721112666336315
oct3034476666574
9662037231581
10210000113020
1181073653115
1234848743224
1316a59048c09
14a24227360c
1556e1355a9a
hex30e4fb6d7c

210000113020 has 48 divisors (see below), whose sum is σ = 445230424800. Its totient is φ = 83197175040.

The previous prime is 210000112967. The next prime is 210000113027. The reversal of 210000113020 is 20311000012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210000112988 and 210000113006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000113027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080666 + ... + 1260094.

It is an arithmetic number, because the mean of its divisors is an integer number (9275633850).

Almost surely, 2210000113020 is an apocalyptic number.

210000113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000113020 is an abundant number, since it is smaller than the sum of its proper divisors (235230311780).

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

210000113020 is a wasteful number, since it uses less digits than its factorization.

210000113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179998 (or 179996 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 210000113020 its reverse (20311000012), we get a palindrome (230311113032).

The spelling of 210000113020 in words is "two hundred ten billion, one hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 139 278 421 556 695 842 1390 1684 2105 2780 4210 8420 58519 117038 179429 234076 292595 358858 585190 717716 897145 1170380 1794290 3588580 24940631 49881262 75539609 99762524 124703155 151079218 249406310 302158436 377698045 498812620 755396090 1510792180 10500005651 21000011302 42000022604 52500028255 105000056510 210000113020