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10021001094 = 2321370161091
BaseRepresentation
bin10010101010100110…
…00101011110000110
3221212101021121012200
421111103011132012
5131010334013334
64334212455330
7503221050426
oct112523053606
927771247180
1010021001094
114282659495
121b3801a546
13c39161460
146b0c6c486
153d9b5a799
hex2554c5786

10021001094 has 48 divisors (see below), whose sum is σ = 23416074864. Its totient is φ = 3078936000.

The previous prime is 10021001093. The next prime is 10021001149. The reversal of 10021001094 is 49010012001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021001093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133489 + ... + 194579.

It is an arithmetic number, because the mean of its divisors is an integer number (487834893).

Almost surely, 210021001094 is an apocalyptic number.

10021001094 is an abundant number, since it is smaller than the sum of its proper divisors (13395073770).

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

10021001094 is a wasteful number, since it uses less digits than its factorization.

10021001094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61813 (or 61810 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10021001094 its reverse (49010012001), we get a palindrome (59031013095).

The spelling of 10021001094 in words is "ten billion, twenty-one million, one thousand, ninety-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 701 1402 2103 4206 6309 9113 12618 18226 27339 54678 61091 82017 122182 164034 183273 366546 549819 794183 1099638 1588366 2382549 4765098 7147647 14295294 42824791 85649582 128474373 256948746 385423119 556722283 770846238 1113444566 1670166849 3340333698 5010500547 10021001094