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2512222430442 = 23173367232217
BaseRepresentation
bin100100100011101100001…
…000000010010011101010
322220011111002201100202120
4210203230020002103222
5312130012420233232
65202033221212110
7346334133216414
oct44435410022352
98804432640676
102512222430442
1188947808316a
12346a76261036
13152b949556ba
14898410719b4
1545536b6b92c
hex248ec2024ea

2512222430442 has 64 divisors (see below), whose sum is σ = 5352977871360. Its totient is φ = 785997285888.

The previous prime is 2512222430437. The next prime is 2512222430503. The reversal of 2512222430442 is 2440342222152.

It is a super-2 number, since 2×25122224304422 (a number of 26 digits) contains 22 as substring.

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, 10702318 + ... + 10934534.

It is an arithmetic number, because the mean of its divisors is an integer number (83640279240).

Almost surely, 22512222430442 is an apocalyptic number.

2512222430442 is an abundant number, since it is smaller than the sum of its proper divisors (2840755440918).

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

2512222430442 is a wasteful number, since it uses less digits than its factorization.

2512222430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232640 (or 232606 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 2512222430442 its reverse (2440342222152), we get a palindrome (4952564652594).

The spelling of 2512222430442 in words is "two trillion, five hundred twelve billion, two hundred twenty-two million, four hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 289 367 578 734 867 1101 1734 2202 4913 6239 9826 12478 14739 18717 29478 37434 106063 212126 232217 318189 464434 636378 696651 1393302 1803071 3606142 3947689 5409213 7895378 10818426 11843067 23686134 67110713 85223639 134221426 170447278 201332139 255670917 402664278 511341834 1140882121 1448801863 2281764242 2897603726 3422646363 4346405589 6845292726 8692811178 24629631671 49259263342 73888895013 147777790026 418703738407 837407476814 1256111215221 2512222430442