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1231296973030 = 255411093208231
BaseRepresentation
bin10001111010101111000…
…001001100100011100110
311100201012012111001212201
4101322233001030203212
5130133144011114110
62341352223205114
7154646454404245
oct21725701144346
94321165431781
101231296973030
11435210050163
1217a772a4679a
138c159598067
1443848d0695c
1522067607b3a
hex11eaf04c8e6

1231296973030 has 32 divisors (see below), whose sum is σ = 2222473462848. Its totient is φ = 491156265600.

The previous prime is 1231296973009. The next prime is 1231296973031. The reversal of 1231296973030 is 303796921321.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231296973031) 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, 5809015 + ... + 6017245.

It is an arithmetic number, because the mean of its divisors is an integer number (69452295714).

Almost surely, 21231296973030 is an apocalyptic number.

1231296973030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231296973030 is a deficient number, since it is larger than the sum of its proper divisors (991176489818).

1231296973030 is a wasteful number, since it uses less digits than its factorization.

1231296973030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209872.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 1231296973030 in words is "one trillion, two hundred thirty-one billion, two hundred ninety-six million, nine hundred seventy-three thousand, thirty".

Divisors: 1 2 5 10 541 1082 1093 2186 2705 5410 5465 10930 208231 416462 591313 1041155 1182626 2082310 2956565 5913130 112652971 225305942 227596483 455192966 563264855 1126529710 1137982415 2275964830 123129697303 246259394606 615648486515 1231296973030