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2122288030 = 251911398849
BaseRepresentation
bin111111001111111…
…1000101110011110
312110220110101212101
41332133320232132
513321301204110
6550331555314
7103410102442
oct17637705636
95426411771
102122288030
11999a81455
124b28bbb3a
1327a8c2845
14161c0c822
15c64bb13a
hex7e7f8b9e

2122288030 has 32 divisors (see below), whose sum is σ = 4056804000. Its totient is φ = 797110272.

The previous prime is 2122288009. The next prime is 2122288031. The reversal of 2122288030 is 308822212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122288030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122288031) 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, 27955 + ... + 70894.

It is an arithmetic number, because the mean of its divisors is an integer number (126775125).

Almost surely, 22122288030 is an apocalyptic number.

2122288030 is a deficient number, since it is larger than the sum of its proper divisors (1934515970).

2122288030 is a wasteful number, since it uses less digits than its factorization.

2122288030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98988.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2122288030 is about 46068.2974506330. The cubic root of 2122288030 is about 1285.0936418307.

The spelling of 2122288030 in words is "two billion, one hundred twenty-two million, two hundred eighty-eight thousand, thirty".

Divisors: 1 2 5 10 19 38 95 113 190 226 565 1130 2147 4294 10735 21470 98849 197698 494245 988490 1878131 3756262 9390655 11169937 18781310 22339874 55849685 111699370 212228803 424457606 1061144015 2122288030