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530878787397 = 3376741923619
BaseRepresentation
bin1111011100110101101…
…01110110111101000101
31212202021212002122022000
413232122311312331011
532144214432144042
61043514330455513
753232446144520
oct7563265667505
91782255078260
10530878787397
11195165265502
1286a7a294599
133b0a55c01ca
141b9a2265bb7
15dc2199874c
hex7b9ad76f45

530878787397 has 32 divisors (see below), whose sum is σ = 912257971200. Its totient is φ = 298831549104.

The previous prime is 530878787389. The next prime is 530878787431. The reversal of 530878787397 is 793787878035.

530878787397 is a `hidden beast` number, since 5 + 3 + 0 + 87 + 87 + 87 + 397 = 666.

It is not a de Polignac number, because 530878787397 - 23 = 530878787389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530878787297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20949147 + ... + 20974472.

It is an arithmetic number, because the mean of its divisors is an integer number (28508061600).

Almost surely, 2530878787397 is an apocalyptic number.

It is an amenable number.

530878787397 is a deficient number, since it is larger than the sum of its proper divisors (381379183803).

530878787397 is a wasteful number, since it uses less digits than its factorization.

530878787397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41923702 (or 41923696 counting only the distinct ones).

The product of its (nonzero) digits is 497871360, while the sum is 72.

The spelling of 530878787397 in words is "five hundred thirty billion, eight hundred seventy-eight million, seven hundred eighty-seven thousand, three hundred ninety-seven".

Divisors: 1 3 7 9 21 27 63 67 189 201 469 603 1407 1809 4221 12663 41923619 125770857 293465333 377312571 880395999 1131937713 2641187997 2808882473 7923563991 8426647419 19662177311 25279942257 58986531933 75839826771 176959595799 530878787397