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30670388544 = 263198407453
BaseRepresentation
bin11100100100000110…
…001111110101000000
32221011110202011120110
4130210012033311000
51000303104413134
622031220511320
72134020000255
oct344406176500
987143664513
1030670388544
11120096a8954
125b3b54b540
132b7a237303
1416ad4b542c
15be78ec7e9
hex72418fd40

30670388544 has 56 divisors (see below), whose sum is σ = 85419732640. Its totient is φ = 9685384704.

The previous prime is 30670388527. The next prime is 30670388597. The reversal of 30670388544 is 44588307603.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 30670388493 and 30670388502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4200079 + ... + 4207374.

Almost surely, 230670388544 is an apocalyptic number.

It is an amenable number.

30670388544 is an abundant number, since it is smaller than the sum of its proper divisors (54749344096).

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

30670388544 is a wasteful number, since it uses less digits than its factorization.

30670388544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407487 (or 8407477 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 30670388544 in words is "thirty billion, six hundred seventy million, three hundred eighty-eight thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 912 1216 1824 3648 8407453 16814906 25222359 33629812 50444718 67259624 100889436 134519248 159741607 201778872 269038496 319483214 403557744 479224821 538076992 638966428 807115488 958449642 1277932856 1614230976 1916899284 2555865712 3833798568 5111731424 7667597136 10223462848 15335194272 30670388544