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308041193530 = 2572628655497
BaseRepresentation
bin1000111101110001010…
…11111001100000111010
31002110002220211222112201
410132320223321200322
520021332021143110
6353302343500414
731153355641300
oct4367053714072
91073086758481
10308041193530
1110970424aa94
124b84a45770a
1323081a658a5
1410ca3090270
15802d5e4b3a
hex47b8af983a

308041193530 has 24 divisors (see below), whose sum is σ = 645000540948. Its totient is φ = 105614123328.

The previous prime is 308041193477. The next prime is 308041193539. The reversal of 308041193530 is 35391140803.

It can be written as a sum of positive squares in 2 ways, for example, as 297451342881 + 10589850649 = 545391^2 + 102907^2 .

It is a super-2 number, since 2×3080411935302 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 308041193530.

It is not an unprimeable number, because it can be changed into a prime (308041193539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314327259 + ... + 314328238.

Almost surely, 2308041193530 is an apocalyptic number.

308041193530 is an abundant number, since it is smaller than the sum of its proper divisors (336959347418).

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

308041193530 is a wasteful number, since it uses less digits than its factorization.

308041193530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628655518 (or 628655511 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 308041193530 in words is "three hundred eight billion, forty-one million, one hundred ninety-three thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 628655497 1257310994 3143277485 4400588479 6286554970 8801176958 22002942395 30804119353 44005884790 61608238706 154020596765 308041193530