Search a number
-
+
102102511708 = 2249375170271
BaseRepresentation
bin101111100010111001…
…0001011000001011100
3100202112200220000002201
41133011302023001130
53133101220333313
6114523311101244
710243124013151
oct1370562130134
9322480800081
10102102511708
113a33522a28a
1217955b11824
139822299902
144d283a2228
1529c8aeb0dd
hex17c5c8b05c

102102511708 has 12 divisors (see below), whose sum is σ = 178715621952. Its totient is φ = 51040905440.

The previous prime is 102102511681. The next prime is 102102511711. The reversal of 102102511708 is 807115201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565388 + ... + 2604883.

It is an arithmetic number, because the mean of its divisors is an integer number (14892968496).

Almost surely, 2102102511708 is an apocalyptic number.

It is an amenable number.

102102511708 is a deficient number, since it is larger than the sum of its proper divisors (76613110244).

102102511708 is a wasteful number, since it uses less digits than its factorization.

102102511708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175212 (or 5175210 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 28.

Adding to 102102511708 its reverse (807115201201), we get a palindrome (909217712909).

The spelling of 102102511708 in words is "one hundred two billion, one hundred two million, five hundred eleven thousand, seven hundred eight".

Divisors: 1 2 4 4937 9874 19748 5170271 10340542 20681084 25525627927 51051255854 102102511708