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245115401011 = 1353887401077
BaseRepresentation
bin1110010001001000000…
…1000011001100110011
3212102200111212111222121
43210102001003030303
513003444020313021
6304334321415111
723465121350245
oct3442201031463
9772614774877
10245115401011
1194a53287788
123b60879a497
131a164106b30
14bc13bd0095
1565990aa741
hex3912043333

245115401011 has 16 divisors (see below), whose sum is σ = 269254891584. Its totient is φ = 221740481664.

The previous prime is 245115400973. The next prime is 245115401021. The reversal of 245115401011 is 110104511542.

It is a happy number.

It is not a de Polignac number, because 245115401011 - 211 = 245115398963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245115401021) 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, 410605 + ... + 811681.

It is an arithmetic number, because the mean of its divisors is an integer number (16828430724).

Almost surely, 2245115401011 is an apocalyptic number.

245115401011 is a deficient number, since it is larger than the sum of its proper divisors (24139490573).

245115401011 is a wasteful number, since it uses less digits than its factorization.

245115401011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402030.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 245115401011 its reverse (110104511542), we get a palindrome (355219912553).

The spelling of 245115401011 in words is "two hundred forty-five billion, one hundred fifteen million, four hundred one thousand, eleven".

Divisors: 1 13 53 689 887 11531 47011 401077 611143 5214001 21257081 276342053 355755299 4624818887 18855030847 245115401011