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30213301020 = 22357210276633
BaseRepresentation
bin11100001000110110…
…100110001100011100
32212222121122201100220
4130020312212030130
5443334101113040
621514011521340
72116466551500
oct341066461434
985877581326
1030213301020
11118a4691271
125a32459250
132b06628616
1416688d0300
15bbc70e2d0
hex708da631c

30213301020 has 72 divisors (see below), whose sum is σ = 98409047184. Its totient is φ = 6905896704.

The previous prime is 30213301007. The next prime is 30213301031. The reversal of 30213301020 is 2010331203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5135377 + ... + 5141256.

It is an arithmetic number, because the mean of its divisors is an integer number (1366792322).

Almost surely, 230213301020 is an apocalyptic number.

30213301020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30213301020 is an abundant number, since it is smaller than the sum of its proper divisors (68195746164).

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

30213301020 is a wasteful number, since it uses less digits than its factorization.

30213301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276659 (or 10276650 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30213301020 its reverse (2010331203), we get a palindrome (32223632223).

The spelling of 30213301020 in words is "thirty billion, two hundred thirteen million, three hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 10276633 20553266 30829899 41106532 51383165 61659798 71936431 102766330 123319596 143872862 154149495 205532660 215809293 287745724 308298990 359682155 431618586 503555017 616597980 719364310 863237172 1007110034 1079046465 1438728620 1510665051 2014220068 2158092930 2517775085 3021330102 4316185860 5035550170 6042660204 7553325255 10071100340 15106650510 30213301020