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47121600788 = 22191873331031
BaseRepresentation
bin101011111000101010…
…101001000100010100
311111121222121100012122
4223320222221010110
51233001112211123
633351455235112
73255500666213
oct537052510424
9144558540178
1047121600788
1118a90a08129
129170b18a98
13459c622c22
1423d033d07a
15135bd20bc8
hexaf8aa9114

47121600788 has 24 divisors (see below), whose sum is σ = 86849555520. Its totient is φ = 22308773760.

The previous prime is 47121600787. The next prime is 47121600833. The reversal of 47121600788 is 88700612174.

It is a super-5 number, since 5×471216007885 (a number of 55 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47121600787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23168 + ... + 307863.

It is an arithmetic number, because the mean of its divisors is an integer number (3618731480).

Almost surely, 247121600788 is an apocalyptic number.

It is an amenable number.

47121600788 is a deficient number, since it is larger than the sum of its proper divisors (39727954732).

47121600788 is a wasteful number, since it uses less digits than its factorization.

47121600788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332927 (or 332925 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 47121600788 in words is "forty-seven billion, one hundred twenty-one million, six hundred thousand, seven hundred eighty-eight".

Divisors: 1 2 4 19 38 76 1873 3746 7492 35587 71174 142348 331031 662062 1324124 6289589 12579178 25158356 620021063 1240042126 2480084252 11780400197 23560800394 47121600788