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30020031132 = 22371340016871
BaseRepresentation
bin11011111101010101…
…010101001010011100
32212111010222120220220
4123331111111022130
5442440111444012
621442505241340
72111632024440
oct337525251234
985433876826
1030020031132
1111805585793
125999793250
132aa5589740
14164ad80820
15baa78408c
hex6fd55529c

30020031132 has 96 divisors (see below), whose sum is σ = 86245469184. Its totient is φ = 7914240000.

The previous prime is 30020031053. The next prime is 30020031143. The reversal of 30020031132 is 23113002003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4365657 + ... + 4372527.

It is an arithmetic number, because the mean of its divisors is an integer number (898390304).

Almost surely, 230020031132 is an apocalyptic number.

It is an amenable number.

30020031132 is an abundant number, since it is smaller than the sum of its proper divisors (56225438052).

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

30020031132 is a wasteful number, since it uses less digits than its factorization.

30020031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10899 (or 10897 counting only the distinct ones).

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

Adding to 30020031132 its reverse (23113002003), we get a palindrome (53133033135).

The spelling of 30020031132 in words is "thirty billion, twenty million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 4001 6871 8002 12003 13742 16004 20613 24006 27484 28007 41226 48012 48097 52013 56014 82452 84021 89323 96194 104026 112028 144291 156039 168042 178646 192388 208052 267969 288582 312078 336084 357292 364091 535938 577164 624156 625261 728182 1071876 1092273 1250522 1456364 1875783 2184546 2501044 3751566 4369092 7503132 27490871 54981742 82472613 109963484 164945226 192436097 329890452 357381323 384872194 577308291 714762646 769744388 1072143969 1154616582 1429525292 2144287938 2309233164 2501669261 4288575876 5003338522 7505007783 10006677044 15010015566 30020031132