Search a number
-
+
102202140400 = 2452255505351
BaseRepresentation
bin101111100101110111…
…0001110011011110000
3100202210122100122222021
41133023232032123300
53133302221443100
6114541230321224
710245443600623
oct1371356163360
9322718318867
10102202140400
113a386497848
1217983359214
139839b103b9
144d376d7dba
1529d272aa1a
hex17cbb8e6f0

102202140400 has 30 divisors (see below), whose sum is σ = 245540643272. Its totient is φ = 40880856000.

The previous prime is 102202140389. The next prime is 102202140449. The reversal of 102202140400 is 4041202201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127752276 + ... + 127753075.

Almost surely, 2102202140400 is an apocalyptic number.

102202140400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202140400 is an abundant number, since it is smaller than the sum of its proper divisors (143338502872).

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

102202140400 is a wasteful number, since it uses less digits than its factorization.

102202140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255505369 (or 255505358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102202140400 its reverse (4041202201), we get a palindrome (106243342601).

The spelling of 102202140400 in words is "one hundred two billion, two hundred two million, one hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 255505351 511010702 1022021404 1277526755 2044042808 2555053510 4088085616 5110107020 6387633775 10220214040 12775267550 20440428080 25550535100 51101070200 102202140400