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154421140354 = 2135939274629
BaseRepresentation
bin1000111111010000110…
…1111001101110000010
3112202120212121201021121
42033310031321232002
510012223302442404
6154535020542454
714104462015165
oct2176415715602
9482525551247
10154421140354
115a542787358
1225b173b1a2a
131173c504940
14768ca0dadc
15403bce1e54
hex23f4379b82

154421140354 has 8 divisors (see below), whose sum is σ = 249449534460. Its totient is φ = 71271295536.

The previous prime is 154421140331. The next prime is 154421140387. The reversal of 154421140354 is 453041124451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136584202329 + 17836938025 = 369573^2 + 133555^2 .

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

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, 2969637289 + ... + 2969637340.

Almost surely, 2154421140354 is an apocalyptic number.

154421140354 is a deficient number, since it is larger than the sum of its proper divisors (95028394106).

154421140354 is a wasteful number, since it uses less digits than its factorization.

154421140354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939274644.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 154421140354 in words is "one hundred fifty-four billion, four hundred twenty-one million, one hundred forty thousand, three hundred fifty-four".

Divisors: 1 2 13 26 5939274629 11878549258 77210570177 154421140354