Search a number
-
+
74844900151 = 710692128593
BaseRepresentation
bin100010110110100011…
…0101000101100110111
321011012001212212102221
41011231012220230313
52211240243301101
654214441543211
75256504103660
oct1055506505467
9234161785387
1074844900151
1129817aa428a
12126094a4b07
13709a10cc88
1438a0262367
151e30b2baa1
hex116d1a8b37

74844900151 has 4 divisors (see below), whose sum is σ = 85537028752. Its totient is φ = 64152771552.

The previous prime is 74844900107. The next prime is 74844900167. The reversal of 74844900151 is 15100944847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15100944847 = 39673806641.

It is a cyclic number.

It is not a de Polignac number, because 74844900151 - 213 = 74844891959 is a prime.

It is a super-2 number, since 2×748449001512 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74844900098 and 74844900107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74844904151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5346064290 + ... + 5346064303.

It is an arithmetic number, because the mean of its divisors is an integer number (21384257188).

Almost surely, 274844900151 is an apocalyptic number.

74844900151 is a deficient number, since it is larger than the sum of its proper divisors (10692128601).

74844900151 is a wasteful number, since it uses less digits than its factorization.

74844900151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10692128600.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 74844900151 in words is "seventy-four billion, eight hundred forty-four million, nine hundred thousand, one hundred fifty-one".

Divisors: 1 7 10692128593 74844900151