Search a number
-
+
87030080341437 = 3294664321446857
BaseRepresentation
bin10011110010011101000101…
…000001100000010110111101
3102102010222211221021200010010
4103302131011001200112331
542401400101031411222
6505033022244133433
724221500344064152
oct2362350501402675
9372128757250103
1087030080341437
11258042825351a2
129917019997279
133973b943a253c
14176c3c7b8a229
15a0dcbad3180c
hex4f27450605bd

87030080341437 has 16 divisors (see below), whose sum is σ = 120044069346240. Its totient is φ = 56018158422912.

The previous prime is 87030080341423. The next prime is 87030080341493. The reversal of 87030080341437 is 73414308003078.

It is not a de Polignac number, because 87030080341437 - 226 = 87030013232573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87030080341037) 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, 6665488 + ... + 14781369.

It is an arithmetic number, because the mean of its divisors is an integer number (7502754334140).

Almost surely, 287030080341437 is an apocalyptic number.

87030080341437 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

87030080341437 is a deficient number, since it is larger than the sum of its proper divisors (33013989004803).

87030080341437 is a wasteful number, since it uses less digits than its factorization.

87030080341437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21493532.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 87030080341437 in words is "eighty-seven trillion, thirty billion, eighty million, three hundred forty-one thousand, four hundred thirty-seven".

Divisors: 1 3 29 87 46643 139929 1352647 4057941 21446857 64340571 621958853 1865876559 1000345751051 3001037253153 29010026780479 87030080341437