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10100021010 = 2351489226103
BaseRepresentation
bin10010110100000001…
…00001011100010010
3222001212222020011020
421122000201130102
5131141101133020
64350114300310
7505200522252
oct113200413422
928055866136
1010100021010
114313220302
121b5a587696
13c4c63a6c1
146bb55b962
153e1a68c40
hex25a021712

10100021010 has 32 divisors (see below), whose sum is σ = 24256437120. Its totient is φ = 2691518208.

The previous prime is 10100020991. The next prime is 10100021033. The reversal of 10100021010 is 1012000101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10100021010.

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, 68382 + ... + 157721.

It is an arithmetic number, because the mean of its divisors is an integer number (758013660).

Almost surely, 210100021010 is an apocalyptic number.

10100021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100021010 is an abundant number, since it is smaller than the sum of its proper divisors (14156416110).

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

10100021010 is a wasteful number, since it uses less digits than its factorization.

10100021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227602.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10100021010 its reverse (1012000101), we get a palindrome (11112021111).

The spelling of 10100021010 in words is "ten billion, one hundred million, twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 1489 2978 4467 7445 8934 14890 22335 44670 226103 452206 678309 1130515 1356618 2261030 3391545 6783090 336667367 673334734 1010002101 1683336835 2020004202 3366673670 5050010505 10100021010