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2142215211454 = 26611620435107
BaseRepresentation
bin11111001011000101111…
…110100000100110111110
321120210102122212010112221
4133023011332200212332
5240044224043231304
64320041534315554
7310525042566553
oct37130576404676
97523378763487
102142215211454
1175656570409a
122a7213658bba
13127019052676
1475980398a2a
153aacd423054
hex1f2c5fa09be

2142215211454 has 8 divisors (see below), whose sum is σ = 3218184124488. Its totient is φ = 1069487169960.

The previous prime is 2142215211419. The next prime is 2142215211569. The reversal of 2142215211454 is 4541125122412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810216232 + ... + 810218875.

It is an arithmetic number, because the mean of its divisors is an integer number (402273015561).

Almost surely, 22142215211454 is an apocalyptic number.

2142215211454 is a deficient number, since it is larger than the sum of its proper divisors (1075968913034).

2142215211454 is a wasteful number, since it uses less digits than its factorization.

2142215211454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620435770.

The product of its digits is 25600, while the sum is 34.

The spelling of 2142215211454 in words is "two trillion, one hundred forty-two billion, two hundred fifteen million, two hundred eleven thousand, four hundred fifty-four".

Divisors: 1 2 661 1322 1620435107 3240870214 1071107605727 2142215211454