Search a number
-
+
2051452406152 = 23256431550769
BaseRepresentation
bin11101110110100100000…
…101111000100110001000
321021010011020121220021101
4131312210011320212020
5232102333303444102
64210231344351144
7301132621512052
oct35664405704610
97233136556241
102051452406152
1172101a4470a6
122917033154b4
1311b5b31a1206
14714100548d2
153856a119e87
hex1dda4178988

2051452406152 has 8 divisors (see below), whose sum is σ = 3846473261550. Its totient is φ = 1025726203072.

The previous prime is 2051452406123. The next prime is 2051452406161. The reversal of 2051452406152 is 2516042541502.

It can be written as a sum of positive squares in only one way, i.e., 1910957875876 + 140494530276 = 1382374^2 + 374826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×20514524061524 (a number of 50 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128215775377 + ... + 128215775392.

Almost surely, 22051452406152 is an apocalyptic number.

It is an amenable number.

2051452406152 is a deficient number, since it is larger than the sum of its proper divisors (1795020855398).

2051452406152 is a wasteful number, since it uses less digits than its factorization.

2051452406152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256431550775 (or 256431550771 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 2051452406152 its reverse (2516042541502), we get a palindrome (4567494947654).

The spelling of 2051452406152 in words is "two trillion, fifty-one billion, four hundred fifty-two million, four hundred six thousand, one hundred fifty-two".

Divisors: 1 2 4 8 256431550769 512863101538 1025726203076 2051452406152