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10121202010 = 251012120201
BaseRepresentation
bin10010110110100010…
…10100100101011010
3222010100211100000201
421123101110211122
5131212011431020
64352152252414
7505545540403
oct113321244532
928110740021
1010121202010
114324177967
121b656a110a
13c53b4553a
146c02b29aa
153e384ea0a
hex25b45495a

10121202010 has 8 divisors (see below), whose sum is σ = 18218163636. Its totient is φ = 4048480800.

The previous prime is 10121201971. The next prime is 10121202053. The reversal of 10121202010 is 1020212101.

It can be written as a sum of positive squares in 2 ways, for example, as 8946700569 + 1174501441 = 94587^2 + 34271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1012120201 = 10121202010 / (1 + 0 + 1 + 2 + 1 + 2 + 0 + 2 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506060091 + ... + 506060110.

Almost surely, 210121202010 is an apocalyptic number.

10121202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121202010 is a deficient number, since it is larger than the sum of its proper divisors (8096961626).

10121202010 is a wasteful number, since it uses less digits than its factorization.

10121202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012120208.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10121202010 its reverse (1020212101), we get a palindrome (11141414111).

The spelling of 10121202010 in words is "ten billion, one hundred twenty-one million, two hundred two thousand, ten".

Divisors: 1 2 5 10 1012120201 2024240402 5060601005 10121202010