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30202121006 = 2711372635903
BaseRepresentation
bin11100001000001011…
…111100101100101110
32212221211121201021022
4130020023330230232
5443323220333011
621512532134142
72116302535631
oct341013745456
985854551238
1030202121006
1111899345592
125a2a767352
132b04212925
14166721dc18
15bbb7518db
hex7082fcb2e

30202121006 has 32 divisors (see below), whose sum is σ = 46460418048. Its totient is φ = 14721004480.

The previous prime is 30202120999. The next prime is 30202121009. The reversal of 30202121006 is 60012120203.

It is a super-2 number, since 2×302021210062 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202121009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113451 + ... + 5119353.

It is an arithmetic number, because the mean of its divisors is an integer number (1451888064).

Almost surely, 230202121006 is an apocalyptic number.

30202121006 is a deficient number, since it is larger than the sum of its proper divisors (16258297042).

30202121006 is a wasteful number, since it uses less digits than its factorization.

30202121006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30202121006 its reverse (60012120203), we get a palindrome (90214241209).

The spelling of 30202121006 in words is "thirty billion, two hundred two million, one hundred twenty-one thousand, six".

Divisors: 1 2 71 137 142 263 274 526 5903 9727 11806 18673 19454 36031 37346 72062 419113 808711 838226 1552489 1617422 2558201 3104978 5116402 57418481 110226719 114836962 212690993 220453438 425381986 15101060503 30202121006