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1021010021300 = 225243237444191
BaseRepresentation
bin11101101101110001111…
…00001000101110110100
310121121101221111002111002
432312320330020232310
5113212012031140200
62101013500102432
7133523402662313
oct16667074105664
93547357432432
101021010021300
1136400a5a2965
12145a66234a18
1375385cabac9
14375ba92827a
151b85aee2bd5
hexedb8f08bb4

1021010021300 has 36 divisors (see below), whose sum is σ = 2267117145216. Its totient is φ = 398906239200.

The previous prime is 1021010021281. The next prime is 1021010021329. The reversal of 1021010021300 is 31200101201.

It is a super-2 number, since 2×10210100213002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118717796 + ... + 118726395.

It is an arithmetic number, because the mean of its divisors is an integer number (62975476256).

Almost surely, 21021010021300 is an apocalyptic number.

1021010021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021010021300 is an abundant number, since it is smaller than the sum of its proper divisors (1246107123916).

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

1021010021300 is a wasteful number, since it uses less digits than its factorization.

1021010021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237444248 (or 237444241 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1021010021300 its reverse (31200101201), we get a palindrome (1052210122501).

The spelling of 1021010021300 in words is "one trillion, twenty-one billion, ten million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 2150 4300 237444191 474888382 949776764 1187220955 2374441910 4748883820 5936104775 10210100213 11872209550 20420200426 23744419100 40840400852 51050501065 102101002130 204202004260 255252505325 510505010650 1021010021300