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148806985405 = 51359173224291
BaseRepresentation
bin1000101010010110010…
…1100110011010111101
3112020002121121002111211
42022211211212122331
54414224042013110
6152205550044421
713515401335411
oct2124545463275
9466077532454
10148806985405
1158121733681
1224a0b1a9711
1311056362670
1472b915cd41
153d0dec398a
hex22a59666bd

148806985405 has 32 divisors (see below), whose sum is σ = 196695112320. Its totient is φ = 107400817920.

The previous prime is 148806985399. The next prime is 148806985417. The reversal of 148806985405 is 504589608841.

It is a happy number.

It is not a de Polignac number, because 148806985405 - 25 = 148806985373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148806985405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551310 + ... + 775600.

It is an arithmetic number, because the mean of its divisors is an integer number (6146722260).

Almost surely, 2148806985405 is an apocalyptic number.

It is an amenable number.

148806985405 is a deficient number, since it is larger than the sum of its proper divisors (47888126915).

148806985405 is a wasteful number, since it uses less digits than its factorization.

148806985405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224541.

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 148806985405 in words is "one hundred forty-eight billion, eight hundred six million, nine hundred eighty-five thousand, four hundred five".

Divisors: 1 5 13 59 65 173 295 767 865 2249 3835 10207 11245 51035 132691 224291 663455 1121455 2915783 13233169 14578915 38802343 66165845 172031197 194011715 504430459 860155985 2289338237 2522152295 11446691185 29761397081 148806985405