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30471101628 = 22311691334069
BaseRepresentation
bin11100011000001110…
…000001110010111100
32220122120202100022120
4130120032001302330
5444401100223003
621555341242540
72126050042662
oct343016016274
986576670276
1030471101628
1111a17162720
125aa4863450
132b47b6c766
141690c3ac32
15bd5184853
hex718381cbc

30471101628 has 48 divisors (see below), whose sum is σ = 77675283840. Its totient is φ = 9220276800.

The previous prime is 30471101621. The next prime is 30471101659. The reversal of 30471101628 is 82610117403.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30471101621) 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, 75823 + ... + 258246.

It is an arithmetic number, because the mean of its divisors is an integer number (1618235080).

Almost surely, 230471101628 is an apocalyptic number.

It is an amenable number.

30471101628 is an abundant number, since it is smaller than the sum of its proper divisors (47204182212).

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

30471101628 is a wasteful number, since it uses less digits than its factorization.

30471101628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334778 (or 334776 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 30471101628 in words is "thirty billion, four hundred seventy-one million, one hundred one thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 691 1382 2073 2764 4146 7601 8292 15202 22803 30404 45606 91212 334069 668138 1002207 1336276 2004414 3674759 4008828 7349518 11024277 14699036 22048554 44097108 230841679 461683358 692525037 923366716 1385050074 2539258469 2770100148 5078516938 7617775407 10157033876 15235550814 30471101628